Search by Call Number
Library of Congress Call Numbers | CODOC Call Numbers
Search by Library of Congress Call Numbers
- enter as much of the call number known, including spaces, in Basic Search: PS3545 .E6 D4 1946
- to browse other works that sit together on the shelf, enter first part of the call number only
What are Library of Congress call numbers?
Library of Congress (LC) numbers appear on the spines or covers of books and journals and are made up of letters and numbers which group related materials on the shelf.
PS3545 .E6 D4 1946 ... is the number that appears on the spine of a book by Eudora Welty called Delta Wedding. The well-known software programme for e-mail called Eudora is named after this author. This number is divided as:
- PS
- letters at the start of the call number represent a general subject area
check Library of Congress Classification System to view letters used to group general subject areas
- 3545
- whole numbers which file numerically
- .E6
- numbers on this line are decimals not whole numbers (so PS3545 .E21 files before PS3545 .E6)
- 1946
- last line can be year of publication or volume number
Quick Guide to LC Call Number Order (PDF)
Search by CODOC Numbers for Government Documents
enter as much of the call number known, including spaces, in Basic Search: CA2 ON DE 89M24
What are CODOC numbers?
The COoperative DOCuments system known as CODOC is used for government publications ensuring that materials published by a particular country or organization are arranged together on the shelf. These groupings are further broken down by department, division, branch, and year.
CA2 ON DE 89M24 is the call number for Media Literacy published by the Ontario Ministry of Education and Training:
- CA
- identifies the country (Canada)
- 2
- identifies the government level within the country (provincial)
- ON
- identifies the province (Ontario)
- DE
- identifies the department (Ministry of Education)
- 89
- identifies the year of publication (1989)
- M24
- unique document identifier (M24 for Media Literacy)
Common Country/Organization Codes:
- AS - Australia
- CA - Canada
- UK - United Kingdom
- UN - United Nations
- US - United States
- ZZ - International Organizations
Points to remember:
- numbers are whole numbers
- serials (journals, annual reports, etc.) come before monographs (books)
- serial: last part of CODOC number starts with a letter (e.g. CA2 ON SC B76)
- book: last part of CODOC number starts with a number (e.g. CA2 ON SC 95R27)
- on the shelf: letters file before numbers (so CA2 ON SC B76 files before CA2 ON SC 95R27)
- to search for a Microlog item by call number (Microlog number), use the colon followed by a space. Dash required. (e.g. microlog: 98-02027)
- to search for a Microlog number by keyword, treat the number as a phrase. Hyphen can be left out (leave a space) or entered. (e.g. "104-01303" or "104 01303")
FAQ's - includes information on Government Document call numbers, microlog numbers, microfiche 390 and more ...
Last Updated: 22 November 2010