Old book and film numbers at the FamilySearch Library

The old GS (Genealogical Society) book and film numbers refer to former catalog numbers.

Old GS Film Numbers
Old GS film numbers were five-digit numbers followed by a one- to four-digit part number. Here are several ways to convert the old GS film numbers into the current FS Library film numbers.


 * Use the "Old microfilm number conversion" charts in this wiki.
 * Search the The FamilySearch Catalog by the locality or author of the record on the film.
 * Consult List of all film call numbers in the Genealogical Society from 1938 to April 1958. 1958. (These books have no call numers.)
 * Consult Microfilm number index (changed film numbers). 1967..
 * Use the old CD version of the catalog in the DOS version of FamilySearch. This version is available in the FamilySearch Library in Salt Lake City and may be available in a FamilySearch center near you. The center staff can help you convert the number.

Old Book Call Numbers
If you need to convert an old book call number, consult one of these resources, most of which are available online.

1929


 * Changed call numbers, Great Britain. 1929..
 * Changed call numbers, United States. 1929..

1964/1966


 * Central European changed numbers. 196-..
 * Changed numbers of American publications and United States. 1966..
 * Changed numbers of Afro-Asian countries. 1966..
 * Changed numbers of Latin America, Spain and Portugal. 1966..
 * Changes of family history "A" group call numbers. 1964..
 * Changes of family history "B" group call numbers. 1964..
 * Miscellaneous changed numbers. 1966..

197-


 * Changed numbers/withdrawn file..

Or contact the FamilySearch Library.