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Changed From The 2018 Edition

DIFFERENCES BETWEEN THE 2018 EDITION AND THE 2019 EDITION

The table below lists the additions, changes, deletions (for cross-references only), and inactivations that were applied to 2018 Edition of the BISAC Subject Heading List (10/2018) to create the 2019 Edition of the BISAC Subject Heading List (11/2019).

While most of the additions/changes/deletions are relatively straightforward, code inactivation merits further explanation.  Codes were inactivated when the literals they represented were deemed to be one or more of the following:

  • Redundant
  • Not widely used
  • Easily confused with other subjects
  • More appropriately listed in a different section

It is highly recommended that inactivated codes which have already been assigned to ISBNs be replaced with active codes.  To this end, instructions on code replacement are included in the table below.

It is recognized that locating and replacing all occurrences of inactivated codes may not be possible or practical.  With that in mind, please note that:

  • Inactivated codes will never be "recycled" and assigned to a different literal.
  • There will be a cumulating Appendix of Inactivated Codes at the end of each version of the Subject Heading List.  All inactivated codes from all previous versions will appear on this list indefinitely so that the meaning of an old code will never be lost.

Instructions are also included when the scope of a subject has decreased, because this might necessitate the reclassification of titles that have been assigned this subject.  Instructions are not usually included when a subject's scope has increased, but users should note that a scope increase may allow the re-classification of a work that previously fell under a more general subject.

Listed in order of New Literal (if none, then Old Literal)

Trans key:    A = Addition    C = Change    D = Deletion (x-refs only)    I = Inactivation    R = Reactivation

Trans

Code

Old Literal

New Literal

Comments

A

OCC043000

 

BODY, MIND & SPIRIT / Nature Therapy

 

A

BUS114000

 

BUSINESS & ECONOMICS / Bitcoin & Cryptocurrencies

 

C

BUS090010

BUSINESS & ECONOMICS / E-Commerce / Internet Marketing

BUSINESS & ECONOMICS / E-Commerce / Digital Marketing

 

A

BUS090050

 

BUSINESS & ECONOMICS / E-Commerce / Search Engine Optimization

 

C

BUS090040

BUSINESS & ECONOMICS / E-Commerce / Auctions & Small Business

BUSINESS & ECONOMICS / E-Commerce / Small Business

 

C

x-ref – no code

BUSINESS & ECONOMICS / Marketing / Internet see E-Commerce / Internet Marketing

BUSINESS & ECONOMICS / Marketing / Internet see E-Commerce / Digital Marketing

x-ref change

C

COM004000

COMPUTERS / Intelligence (AI) & Semantics

COMPUTERS / Artificial Intelligence / General

 

C

COM016000

COMPUTERS / Computer Vision & Pattern Recognition

COMPUTERS / Artificial Intelligence / Computer Vision & Pattern Recognition

 

C

COM025000

COMPUTERS / Expert Systems

COMPUTERS / Artificial Intelligence / Expert Systems

 

C

COM042000

COMPUTERS / Natural Language Processing

COMPUTERS / Artificial Intelligence / Natural Language Processing

 

A

COM093000

 

COMPUTERS / Blockchain

 

C

COM005000

COMPUTERS / Enterprise Applications / General

COMPUTERS / Business & Productivity Software / General

 

C

COM027000

COMPUTERS / Desktop Applications / Personal Finance Applications

COMPUTERS / Business & Productivity Software / Accounting & Finance

 

C

COM005030

COMPUTERS / Enterprise Applications / Business Intelligence Tools

COMPUTERS / Business & Productivity Software / Business Intelligence

 

C

COM066000

COMPUTERS / Enterprise Applications / Collaboration Software

COMPUTERS / Business & Productivity Software / Collaboration

 

C

COM084010

COMPUTERS / Desktop Applications / Databases

COMPUTERS / Business & Productivity Software / Databases

 

C

COM084020

COMPUTERS / Desktop Applications / Email Clients

COMPUTERS / Business & Productivity Software / Email Clients

 

C

COM084030

COMPUTERS / Desktop Applications / Suites

COMPUTERS / Business & Productivity Software / Office Suites

 

C

COM078000

COMPUTERS / Desktop Applications / Presentation Software

COMPUTERS / Business & Productivity Software / Presentations

 

C

COM081000

COMPUTERS / Desktop Applications / Project Management Software

COMPUTERS / Business & Productivity Software / Project Management Tools

 

C

COM054000

COMPUTERS / Desktop Applications / Spreadsheets

COMPUTERS / Business & Productivity Software / Spreadsheets

 

C

COM058000

COMPUTERS / Desktop Applications / Word Processing

COMPUTERS / Business & Productivity Software / Word Processing

 

D

x-ref – no code

COMPUTERS / Business Software see Enterprise Applications / Business Intelligence Tools

 

x-ref deletion

I

COM008000

COMPUTERS / Calculators

 

Move titles to appropriate code beginning with COM, MAT, or TEC.

I

COM009000

COMPUTERS / CD-DVD Technology

 

Move titles to COM034000 or COM087000.

A

COM055030

 

COMPUTERS / Certification Guides / Cisco

 

C

COM055010

COMPUTERS / Certification Guides / A+

COMPUTERS / Certification Guides / CompTIA (incl. A+)

 

C

COM055020

COMPUTERS / Certification Guides / MCSE

COMPUTERS / Certification Guides / Microsoft

 

A

COM055040

 

COMPUTERS / Certification Guides / Oracle

 

C

COM011000

COMPUTERS / Systems Architecture / General

COMPUTERS / Computer Architecture

 

I

COM086000

COMPUTERS / Computerized Home & Entertainment

 

Move titles to COM043020, HOM026000 or HOM027000.

C

x-ref – no code

COMPUTERS / Data Recovery see System Administration / Disaster & Recovery

COMPUTERS / Data Recovery see System Administration / Backup & Recovery

x-ref change

C

COM018000

COMPUTERS / Data Processing

COMPUTERS / Data Science / General

 

C

COM082000

COMPUTERS / Bioinformatics

COMPUTERS / Data Science / Bioinformatics

 

C

COM021030

COMPUTERS / Databases / Data Mining

COMPUTERS / Data Science / Data Analytics

 

C

COM062000

COMPUTERS / Data Modeling & Design

COMPUTERS / Data Science / Data Modeling & Design

 

C

COM089000

COMPUTERS / Data Visualization

COMPUTERS / Data Science / Data Visualization

 

C

COM021040

COMPUTERS / Databases / Data Warehousing

COMPUTERS / Data Science / Data Warehousing

 

A

COM094000

 

COMPUTERS / Data Science / Machine Learning

 

C

COM044000

COMPUTERS / Neural Networks

COMPUTERS / Data Science / Neural Networks

 

I

COM020000

COMPUTERS / Data Transmission Systems / General

 

Move titles to TEC071000.

I

COM020050

COMPUTERS / Data Transmission Systems / Broadband

 

Move titles to TEC071010.

I

COM020010

COMPUTERS / Data Transmission Systems / Electronic Data Interchange

 

Move titles to TEC071000.

I

COM020090

COMPUTERS / Data Transmission Systems / Wireless

 

Move titles to TEC061000.

C

COM021000

COMPUTERS / Databases / General

COMPUTERS / Database Administration & Management

 

I

COM021050

COMPUTERS / Databases / Servers

 

Move titles to COM021000.

I

COM084000

COMPUTERS / Desktop Applications / General

 

Move titles to COM005000 or more specific heading within tree.

I

COM022000

COMPUTERS / Desktop Applications / Desktop Publishing

 

Move titles to COM087020.

C

COM087000

COMPUTERS / Digital Media / General

COMPUTERS / Design, Graphics & Media / General

 

C

COM087010

COMPUTERS / Digital Media / Audio

COMPUTERS / Design, Graphics & Media / Audio

 

C

COM007000

COMPUTERS / CAD-CAM

COMPUTERS / Design, Graphics & Media / CAD-CAM

 

C

COM087020

COMPUTERS / Desktop Applications / Design & Graphics

COMPUTERS / Design, Graphics & Media / Graphics Tools

 

C

COM087030

COMPUTERS / Digital Media / Photography (see also PHOTOGRAPHY / Techniques / Digital)

COMPUTERS / Design, Graphics & Media / Photography (see also PHOTOGRAPHY / Techniques / Digital)

 

C

COM071000

COMPUTERS / Digital Media / Video & Animation

COMPUTERS / Design, Graphics & Media / Video & Animation

 

C

COM048000

COMPUTERS / Systems Architecture / Distributed Systems & Computing

COMPUTERS / Distributed Systems / General

 

C

COM061000

COMPUTERS / Client-Server Computing

COMPUTERS / Distributed Systems / Client-Server Computing

 

C

COM091000

COMPUTERS / Cloud Computing

COMPUTERS / Distributed Systems / Cloud Computing

 

I

COM065000

COMPUTERS / Electronic Publishing

 

Move titles to appropriate BUS, COM, or LAN heading.

C

x-ref – no code

COMPUTERS / Email see Desktop Applications / Email Clients or System Administration / Email Administration

COMPUTERS / Email see Business & Productivity Software / Email Clients or System Administration / Email Servers

x-ref change

C

x-ref – no code

COMPUTERS / Entertainment & Games see GAMES & ACTIVITIES / Video & Electronic

COMPUTERS / Entertainment & Games see GAMES & ACTIVITIES / Video & Mobile

x-ref change

C

x-ref – no code

COMPUTERS / Financial Applications see Desktop Applications / Personal Finance Applications or Enterprise Applications / Business Intelligence Tools

COMPUTERS / Financial Applications see Business & Productivity Software / Accounting & Finance

x-ref change

C

x-ref – no code

COMPUTERS / Games see Programming / Games or GAMES & ACTIVITIES / Video & Electronic

COMPUTERS / Games see Programming / Games or GAMES & ACTIVITIES / Video & Mobile

x-ref change

C

COM074000

COMPUTERS / Hardware / Mobile Devices

COMPUTERS / Hardware / Cell Phones & Devices

 

C

COM041000

COMPUTERS / Microprocessors

COMPUTERS / Hardware / Chips & Processors

 

C

COM049000

COMPUTERS / Hardware / Peripherals

COMPUTERS / Hardware / Printers, Scanners & External Accessories

 

C

x-ref – no code

COMPUTERS / Hypertext Systems see Programming Languages / HTML

COMPUTERS / Hypertext Systems see Languages / HTML

x-ref change

D

x-ref – no code

COMPUTERS / Integrated Software see headings under Desktop Applications or headings under Enterprise Applications

 

x-ref deletion

I

COM060090

COMPUTERS / Internet / Application Development

 

Move titles to COM051230.

C

COM060100

COMPUTERS / Web / Blogging

COMPUTERS / Internet / Blogging

 

C

COM060170

COMPUTERS / Web / Content Management Systems

COMPUTERS / Internet / Content Management Systems

 

C

COM060040

COMPUTERS / Security / Online Safety & Privacy

COMPUTERS / Internet / Online Safety & Privacy

 

C

COM060110

COMPUTERS / Web / Podcasting & Webcasting

COMPUTERS / Internet / Podcasting & Webcasting

 

C

COM060120

COMPUTERS / Web / Search Engines

COMPUTERS / Internet / Search Engines

 

C

COM060140

COMPUTERS / Web / Social Media

COMPUTERS / Internet / Social Media

 

C

COM060150

COMPUTERS / Web / User-Generated Content

COMPUTERS / Internet / User-Generated Content

 

C

COM060010

COMPUTERS / Web / Browsers

COMPUTERS / Internet / Web Browsers

 

C

COM060130

COMPUTERS / Web / Design

COMPUTERS / Internet / Web Design

 

C

COM060160

COMPUTERS / Web / Web Programming

COMPUTERS / Internet / Web Programming

 

C

COM060180

COMPUTERS / Web / Web Services & APIs

COMPUTERS / Internet / Web Services & APIs

 

A

COM095000

 

COMPUTERS / Internet of Things (IoT)

 

I

COM035000

COMPUTERS / Keyboarding

 

Move titles to BUS059000 or COM013000

C

COM051010

COMPUTERS / Programming Languages / General

COMPUTERS / Languages / General

 

C

COM051040

COMPUTERS / Programming Languages / Assembly Language

COMPUTERS / Languages / Assembly Language

 

C

COM051060

COMPUTERS / Programming Languages / C

COMPUTERS / Languages / C

 

C

COM051070

COMPUTERS / Programming Languages / C++

COMPUTERS / Languages / C++

 

C

COM051310

COMPUTERS / Programming Languages / C#

COMPUTERS / Languages / C#

 

C

COM051270

COMPUTERS / Programming Languages / HTML

COMPUTERS / Languages / HTML

 

C

COM051280

COMPUTERS / Programming Languages / Java

COMPUTERS / Languages / Java

 

C

COM051260

COMPUTERS / Programming Languages / JavaScript

COMPUTERS / Languages / JavaScript

 

A

COM051480

 

COMPUTERS / Languages / JSON

 

C

COM051470

COMPUTERS / Programming Languages / ASP.NET

COMPUTERS / Languages / .NET

 

C

COM051350

COMPUTERS / Programming Languages / Perl

COMPUTERS / Languages / Perl

 

C

COM051400

COMPUTERS / Programming Languages / PHP

COMPUTERS / Languages / PHP

 

C

COM051360

COMPUTERS / Programming Languages / Python

COMPUTERS / Languages / Python

 

C

COM051410

COMPUTERS / Programming Languages / Ruby

COMPUTERS / Languages / Ruby

 

C

COM051170

COMPUTERS / Programming Languages / SQL

COMPUTERS / Languages / SQL

 

C

COM051450

COMPUTERS / Programming Languages / UML

COMPUTERS / Languages / UML

 

C

COM051200

COMPUTERS / Programming Languages / Visual BASIC

COMPUTERS / Languages / Visual BASIC

 

C

COM051320

COMPUTERS / Programming Languages / XML

COMPUTERS / Languages / XML

 

C

x-ref – no code

COMPUTERS / Networking / Security see Security / Networking

COMPUTERS / Networking / Security see Security / Network Security

x-ref change

I

COM043060

COMPUTERS / Networking / Vendor Specific

 

Move titles to COM043000.

I

COM069000

COMPUTERS / Online Services

 

Move titles to COM060000.

I

COM046060

COMPUTERS / Operating Systems / DOS

 

Move titles to COM046000.

A

COM046110

 

COMPUTERS / Operating Systems / iOS

 

C

COM046020

COMPUTERS / Operating Systems / Apple (Mac OS & iOS)

COMPUTERS / Operating Systems / Mac OS

 

D

x-ref – no code

COMPUTERS / Parallel Processing see Systems Architecture / Distributed Systems & Computing

 

x-ref deletion

A

COM096000

 

COMPUTERS / Parallel Processing

 

C

x-ref – no code

COMPUTERS / Peripherals see Hardware / Peripherals

COMPUTERS / Peripherals see Hardware / Printers, Scanners & External Accessories

x-ref change

C

COM010000

COMPUTERS / Compilers

COMPUTERS / Programming / Compilers

 

C

x-ref – no code

COMPUTERS / Programming / Languages see headings under Programming Languages

COMPUTERS / Programming / Languages see headings under Languages

x-ref change

C

x-ref – no code

COMPUTERS / Languages see headings under Programming Languages

COMPUTERS / Programming Languages see headings under Languages

x-ref change

I

COM051020

COMPUTERS / Programming Languages / Ada

 

Move titles to COM051010.

I

COM051050

COMPUTERS / Programming Languages / BASIC

 

Move titles to COM051010.

I

COM051080

COMPUTERS / Programming Languages / COBOL

 

Move titles to COM051010.

I

COM051090

COMPUTERS / Programming Languages / FORTRAN

 

Move titles to COM051010.

I

COM051100

COMPUTERS / Programming Languages / LISP

 

Move titles to COM051010.

I

COM051130

COMPUTERS / Programming Languages / Pascal

 

Move titles to COM051010.

I

COM051140

COMPUTERS / Programming Languages / Prolog

 

Move titles to COM051010.

I

COM051290

COMPUTERS / Programming Languages / RPG

 

Move titles to COM051010.

I

COM051420

COMPUTERS / Programming Languages / VBScript

 

Move titles to COM051010.

A

COM097000

 

COMPUTERS / Quantum Computing

 

C

COM083000

COMPUTERS / Security / Cryptography

COMPUTERS / Security / Cryptography & Encryption

 

C

COM043050

COMPUTERS / Security / Networking

COMPUTERS / Security / Network Security

 

C

COM012000

COMPUTERS / Computer Graphics

COMPUTERS / Software Development & Engineering / Computer Graphics

 

C

COM019000

COMPUTERS / System Administration / Disaster & Recovery

COMPUTERS / System Administration / Backup & Recovery

 

C

COM020020

COMPUTERS / System Administration / Email Administration

COMPUTERS / System Administration / Email Servers

 

C

COM046090

COMPUTERS / Operating Systems / Virtualization

COMPUTERS / System Administration / Virtualization & Containerization

 

I

COM056000

COMPUTERS / Utilities

 

Move titles to COM005000.

C

x-ref – no code

COMPUTERS / Video Games see GAMES & ACTIVITIES / Video & Electronic

COMPUTERS / Video Games see GAMES & ACTIVITIES / Video & Mobile

x-ref change

C

COM057000

COMPUTERS / Virtual Worlds

COMPUTERS / Virtual & Augmented Reality

 

A

COM098000

 

COMPUTERS / Voice Search & Digital Assistants

 

I

COM060080

COMPUTERS / Web / General

 

Move titles to COM060000.

I

COM060070

COMPUTERS / Web / Site Directories

 

Move titles to COM060000.

C

CKB006000

COOKING / Beverages / Alcoholic / Bartending

COOKING / Beverages / Alcoholic / Bartending & Cocktails

 

A

CRA065000

 

CRAFTS & HOBBIES / Taxidermy

 

A

FAM057000

 

FAMILY & RELATIONSHIPS / Multiracial Families

 

A

FIC076000

 

FICTION / Feminist

 

A

FIC014060

 

FICTION / Historical / Civil War Era

 

A

FIC014070

 

FICTION / Historical / Colonial America & Revolution

 

A

FIC077000

 

FICTION / Nature & the Environment

 

A

FIC027460

 

FICTION / Romance / Historical / Gilded Age

 

A

FIC027470

 

FICTION / Romance / Polyamory

 

C

GAM013000

GAMES & ACTIVITIES / Video & Electronic

GAMES & ACTIVITIES / Video & Mobile

 

A

HEA053000

 

HEALTH & FITNESS / Cannabis & CBD

 

C

x-ref – no code

HEALTH & FITNESS / Diseases / Brain see Diseases / Nervous System

HEALTH & FITNESS / Diseases / Brain see Diseases / Nervous System (incl. Brain)

x-ref change

A

HOM026000

 

HOUSE & HOME / Entertainment Systems

 

A

HOM027000

 

HOUSE & HOME / Smart Home

 

C

JUV002240

JUVENILE FICTION / Animals / Turtles

JUVENILE FICTION / Animals / Turtles & Tortoises

 

C

JUV030090

JUVENILE FICTION / People & Places / Canada / Native Canadian

JUVENILE FICTION / People & Places / Canada / Indigenous

 

A

JUV075000

 

JUVENILE FICTION / War & Military

 

C

JNF003360

JUVENILE NONFICTION / Animals / Turtles

JUVENILE NONFICTION / Animals / Turtles & Tortoises

 

C

JNF012030

JUVENILE NONFICTION / Computers / Internet

JUVENILE NONFICTION / Computers / Internet & Social Media

 

C

JNF038120

JUVENILE NONFICTION / People & Places / Canada / Native Canadian

JUVENILE NONFICTION / People & Places / Canada / Indigenous

 

C

x-ref – no code

LANGUAGE ARTS & DISCIPLINES / Linguistics / Computational see COMPUTERS / Natural Language Processing

LANGUAGE ARTS & DISCIPLINES / Linguistics / Computational see COMPUTERS / Artificial Intelligence / Natural Language Processing

x-ref change

A

LAW119000

 

LAW / Islamic

 

A

MED089040

 

MEDICAL / Veterinary Medicine / Dentistry

 

A

x-ref – no code

 

NATURE / Taxidermy see CRAFTS & HOBBIES / Taxidermy

x-ref addition

C

PHO024000

PHOTOGRAPHY / Techniques / Digital (see also COMPUTERS / Digital Media / Photography)

PHOTOGRAPHY / Techniques / Digital (see also COMPUTERS / Design, Graphics & Media / Photography)

[no change to the assignable literal – just change to the see also]

C

POE011000

POETRY / Canadian

POETRY / Canadian / General

 

A

POE011010

 

POETRY / Canadian / Indigenous

 

A

POE026000

 

POETRY / Shakespeare

 

C

x-ref – no code

POLITICAL SCIENCE / Political Ideologies / Racism see SOCIAL SCIENCE / Discrimination & Race Relations

POLITICAL SCIENCE / Political Ideologies / Racism see SOCIAL SCIENCE / Discrimination

x-ref change

A

POL071000

 

POLITICAL SCIENCE / Public Opinion Polling

 

A

REF035000

 

REFERENCE / Planners

 

I

REL037020

RELIGION / Islam / Law

 

Move titles to LAW119000.

A

x-ref – no code

 

RELIGION / Islam / Law see LAW / Islamic

x-ref addition

A

SEL047000

 

SELF-HELP / Personal Safety & Self-Defense

 

C

x-ref – no code

SOCIAL SCIENCE / African American Studies see Ethnic Studies / African American Studies

SOCIAL SCIENCE / African American Studies see Ethnic Studies / American / African American Studies

x-ref change

A

x-ref – no code

 

SOCIAL SCIENCE / African Diaspora see Black Studies (Global)

x-ref addition

A

SOC068000

 

SOCIAL SCIENCE / Biracial & Multiracial Studies

 

C

SOC031000

SOCIAL SCIENCE / Discrimination & Race Relations

SOCIAL SCIENCE / Discrimination

 

A

SOC008010

 

SOCIAL SCIENCE / Ethnic Studies / African Studies

 

A

SOC069000

 

SOCIAL SCIENCE / Ethnic Studies / American / General

 

C

SOC001000

SOCIAL SCIENCE / Ethnic Studies / African American Studies

SOCIAL SCIENCE / Ethnic Studies / American / African American Studies

 

C

SOC043000

SOCIAL SCIENCE / Ethnic Studies / Asian American Studies

SOCIAL SCIENCE / Ethnic Studies / American / Asian American Studies

 

C

SOC044000

SOCIAL SCIENCE / Ethnic Studies / Hispanic American Studies

SOCIAL SCIENCE / Ethnic Studies / American / Hispanic American Studies

 

C

SOC021000

SOCIAL SCIENCE / Ethnic Studies / Native American Studies

SOCIAL SCIENCE / Ethnic Studies / American / Native American Studies

 

A

SOC008020

 

SOCIAL SCIENCE / Ethnic Studies / Asian Studies

 

A

SOC008030

 

SOCIAL SCIENCE / Ethnic Studies / Australian & Oceanian Studies

 

A

SOC008040

 

SOCIAL SCIENCE / Ethnic Studies / Canadian Studies

 

A

SOC008050

 

SOCIAL SCIENCE / Ethnic Studies / Caribbean & Latin American Studies

 

A

SOC008060

 

SOCIAL SCIENCE / Ethnic Studies / European Studies

 

A

SOC008070

 

SOCIAL SCIENCE / Ethnic Studies / Middle Eastern Studies

 

C

x-ref – no code

SOCIAL SCIENCE / Native American Studies see Ethnic Studies / Native American Studies

SOCIAL SCIENCE / Native American Studies see Ethnic Studies / American / Native American Studies

x-ref change

A

SOC070000

 

SOCIAL SCIENCE / Race & Ethnic Relations

 

D

x-ref – no code

SOCIAL SCIENCE / Race Relations see Discrimination & Race Relations

 

x-ref deletion

C

x-ref – no code

SOCIAL SCIENCE / Sociology of Sports see SPORTS & RECREATION / Sociology of Sports

SOCIAL SCIENCE / Sociology of Sports see SPORTS & RECREATION / Cultural & Social Aspects

x-ref change

A

SOC071000

 

SOCIAL SCIENCE / Technology Studies

 

C

SPO066000

SPORTS & RECREATION / Sociology of Sports

SPORTS & RECREATION / Cultural & Social Aspects

 

C

x-ref – no code

SPORTS & RECREATION / Judo see Martial Arts & Self-Defense

SPORTS & RECREATION / Judo see Martial Arts

x-ref change

C

x-ref – no code

SPORTS & RECREATION / Karate see Martial Arts & Self-Defense

SPORTS & RECREATION / Karate see Martial Arts

x-ref change

C

SPO027000

SPORTS & RECREATION / Martial Arts & Self-Defense

SPORTS & RECREATION / Martial Arts

 

C

x-ref – no code

SPORTS & RECREATION / Self-Defense see Martial Arts & Self-Defense

SPORTS & RECREATION / Self-Defense see SELF-HELP / Personal Safety & Self-Defense

x-ref change

A

TEC071000

 

TECHNOLOGY & ENGINEERING / Data Transmission Systems / General

 

A

TEC071010

 

TECHNOLOGY & ENGINEERING / Data Transmission Systems / Broadband

 

A

TRU011000

 

TRUE CRIME / Cybercrime

 

C

YAN013020

YOUNG ADULT NONFICTION / Computers / Internet

YOUNG ADULT NONFICTION / Computers / Internet & Social Media

 

 

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