LC Control Number Alphabetic Prefixes:
Note: In the first column, an asterisked ( * ) item indicates the form in which the prefix appears on the card.
| Prefix
on card: |
MARC
prefix: |
Explanation: |
| A | a | Cataloging provided to LC by an American library, 1909- |
| AC | ac | Cataloging for foreign materials provided to LC by cooperating libraries under the auspices of the ALA Committee on Cooperative Cataloging, 1932-1942 |
| AC | ac | Annotated cards for juvenile books, 1966- |
| AF | af | Cataloging for foreign acquisitions provided to LC by other American libraries, 1946-1950 |
| AFLM | afl | [No explanation available] |
| Agr | agr | U.S. Department of Agriculture cataloging, 1902- |
| bi | Handbook of Latin American Studies record | |
| BR | br | Library of Congress, Division for the Blind, braille book |
| BS | bs | U.S. Bureau of Standards cataloging, 1913-1938 |
| C | c | U.S. Interstate Commerce Commission cataloging, 1915-1916 |
| C | c | Library of Congress, Chinese entries, 1949- |
| C-245 or 245* | c | LC card numbers for June-August 1898. Year prefix "98" added when input into MARC |
| CA | ca | LC temporary entries for books in the general classified collections, 1905-1937 |
| CA Dupl | cad | LC temporary entries for books in the general classified collections, 1905-1937 |
| CD | cd | LC analytical entries for sets and series prepared by the Card Division, 1916-1940 |
| CD | cd | Cataloging prepared for LC card sales |
| clc | Collection level cataloging; PREMARC record | |
| CS | cs | Cataloging prepared by the LC Cooperative Cataloging and Classification Service, 1934-1939 |
| CX | cx | Cross reference cards used in LC catalogs for Chinese entries, 1958- |
| cy | Federal Cylinder Project, Oct. 1980 |
| 1-D-245 or D-245 | d | LC card numbers for May-December 1901. Year prefix "01" added when input into MARC |
| DO | do | U.S. Superintendent of Documents cataloging, 1913-1916 |
| E | e | U.S. Office of Education cataloging, 1908-1958 |
| ES | es | U.S. Engineers School cataloging, 1913-1935 |
| F | f | U.S. Bureau of Fisheries cataloging, 1910-1940 |
| 1-F-245 or F-245 | f | LC card numbers for May-December 1901. Year prefix "01" added when input into MARC |
| Fi | fi | Films cataloged by LC, 1951- |
| FiA | fia | Cataloging provided film producers, 1951- |
| FiE | fie | Cataloging provided by the Visual Education Service of the Office of Education, and other government agencies, 1951- |
| 1-G-245 or G-245* | g | LC card numbers for May-December 1901. Year prefix "01" added when input into MARC |
| GM | gm | Maps cataloged by LC, 1968-1972 |
| GS | gs | U.S. Geological Survey cataloging, 1904- |
| H | h | U.S. National Institute of Health cataloging, 1914-1921 |
| HA | ha | U.S. Housing Authority cataloging, 1940- |
| HE | he | Hebrew entries cataloged by LC, 1964- |
| HEW | hew | U.S. Dept. of Health, Education, and Welfare cataloging, 1958- |
| HEX | hex | Cross reference cards used for Hebrew entries, 1964- |
| 1-I-245 or It-245* | it | LC card numbers for May-December 1901. Year prefix "01" added when input into MARC |
| Int | int | U.S. Department of the Interior cataloging, 1959 |
| J | j | LC cataloging for Japanese materials, 1949- |
| JA | ja | Cataloging for Japanese materials provided to LC by other American libraries, 1951 |
| JX | jx | Cross reference cards used for Japanese entries, 1958- |
| K | k | Korean entries cataloged by LC, 1951- |
| KX | kx | Cross reference cards used for Korean entries, 1958- |
| L | l | U.S. Department of Labor cataloging, 1911- |
| llh | Index to Hispanic Legislation cataloging | |
| ltf | Less-than-full cataloging; PREMARC record |
| M | m | Sheet music cataloged by LC, 1953-1962 |
| MA | ma | Sheet music for which copy was supplied by another American library, 1953-1961 |
| Map | map | Atlases in the Maps Division of LC, 1901- |
| 1-Map-50 or Map-50 | map | LC card numbers for maps for period May-December 1901. Year prefix "01" added when input into MARC |
| Med | med | U.S. Armed Forces Medical Library cataloging, 1946-1948 |
| Mic | mic | Microfilms cataloged by LC, 1949- |
| MicA | mid | Microfilms for which cataloging was provided by another American library, 1946- |
| Micp | mie | Microcards and microprints cataloged by LC, 1953- |
| MicpA | mif | Microcards and microprints for which cataloging was provided by another American library, 1953- |
| MPA | mpa | Pan American Union cataloging for sheet music, 1956- |
| MS | ms | Manuscripts cataloged by LC, 1959- |
| 1-Music-245 or Music-245* | mus | LC card numbers for music for May-December 1901. Year prefix "01" added when input into MARC |
| ncn | Nitrate Film Service cataloging | |
| NE | ne | Materials published in the Near East or in the languages of those countries, 1961- |
| NEX | nex | Cross reference cards used for books published in the Near East or in the languages of those countries, 1961- |
| NO | no | U.S. Naval Observatory cataloging, 1930-1940 |
| ntc | National Translation Center cataloging | |
| nuc | Records printed in the National Union Catalog for which no LC card number is available |
| or | Order Division cataloging |
| PA | pa | Pan American Union cataloging, 1930- |
| Pho | pho | Cataloging provided by other libraries for photographic reproductions of books, 1927- |
| PhoM | php | Cataloging provided by Card Division for photographic facsmiles issued by the Modern Language Association of America, 1927-1938 |
| PhomA | phq | Cataloging provided by other libraries for Modern Language Association of America photographic facsimiles |
| PO | po | U.S. Patent Office cataloging, 1917-1953 |
| pp | Prints and Photographs videodisc system, March 1984 |
No data applicable.
| R | r | Photograph records cataloged by LC, 1953- |
| RA | ra | Cataloging provided by other American libraries for photographs, 1955- |
| 1-Rc-245 or Rc-245* | rc | LC card numbers for May-December 1901. Year prefix "01" added when input into MARC |
| re | Cataloging for commercial ethnic sound recordings produced in the U.S. project, 1981 | |
| ru | Cataloging from the Russian Book Chamber, 1988- |
| S | s | Smithsonian Institution cataloging, 1913- |
| SA | sa | Cataloging for materials published in Southeast Asia or in the languages of those countries, 1961- |
| SAX | sax | Cross reference cards used for materials published in Southeast Asia or in the languages of those countries, 1961- |
| sc | Serials, CONSER, item not in LC | |
| SD | sd | U.S. Department of State cataloging, 1914- |
| sf | Serials form card or Minimal Level Cataloging or classed separately monographic series | |
| SG | sg | Surgeon General's Library, U.S. Army cataloging, 1916- |
| sn | Serials, CONSER, item may or may not be in LC | |
| SS | ss | Social Security Administration cataloging, 1944-1958 |
| TB | tb | Talking Books program cataloging |
| tmp | Temporary cataloging from PREMARC |
| um | Union map; an outside map record input by the Geography and Map Division for NUC use but residing in the G&M database | |
| unk | Card for which no LC card number was available; PREMARC |
No data applicable.
| W | w | District of Columbia Public Library cataloging, 1905-1942 |
| War | war | U.S. Army, War College cataloging, 1907-1932 |
| X | x | Cross reference cards used in LC catalogs, January 1941- |
No data applicable.
| 1-Z-245 or Z-245* | z | LC card numbers for May-December 1901. Year prefix "01" added when input into MARC |
To return, select:
010 Library of Congress Control Number