Cataloging: Fundamentals of the NLM® Classification
Module 3Components of NLM Call Numbers
page 3 of 7
Introduction
Module 1
Overview of NLM Classification
Module 2
Using the Online NLM Classification
Module 3
Components of NLM Call Numbers
Module 4
General Principles
Module 5
Table G
Module 6
Form Numbers
Module 7
Bibliographies and Related Materials
Module 8
Classification of 19th Century Works and Early Printed Books
Module 9
Continuing Resources
Audio-Visual Materials
- All audiovisuals shelved in Reference or in the History of Medicine Division are assigned NLM classification numbers
- The audiovisuals are then shelved together by class number and media code
- The media code is determined by looking at $h of the 245 field and $a of the 300 field and selecting the appropriate value from the following table
Format Code Activity Card ACT Electronic Resource
- CD-ROM
- Computer disk
- DVD-ROM
Choose a code from the list below
- CDR
- CA
- DVD
Interactive Multimedia IM Kit KT Motion Picture (16 mm) MP16 Radiograph PI Slides SL Slides and sound cassette SC Sound Recording
- Compact Disc
- Sound cassette
Choose a code from the list below
- CD
- AC
Videodisc VDR Videocassette VC
