It is worth mentioning that records appear in three dimensions – 17.5, 25 and 30 cm.
Online 78 record dating
It is part of the American Discography Project (ADP)—an initiative of the University of California, Santa Barbara and the Packard Humanities Institute that is edited by a team of researchers based at the UCSB Library.
DAHR is an expansion of the Encyclopedic Discography of Victor Recordings (EDVR) incorporating previously published discographic data licensed from various publishers, folding them into the search and display framework of DAHR.
The oldest ones date from the beginning of the past century (1901-1902), and the earliest ones are from sixth decade of the 20th Century.
Collections genre designation covers from folk and popular to classical and jazz music, along with a few speech recordings (comedy, poetry, language courses).
It then continued uninterrupted to somewhere in the 5600's (about 1987) when it was changed again to the 44000s. 45rpm records originally used the prefix 54- added before the 78rpm number; at some point this was changed to a letter F.
CBS Records (the name given to American label Columbia Records in Europe, so as not to be confused with EMI's Columbia label) began as a separate label distributed by Philips only from around 1961, using the prefix AAG and three digits, its artists having for some years previously been issued on Philips itself.
This discography contains information about Paramount Records and three other record labels produced by the New York Recording Laboratories (NYRL) of Port Washington, Wisconsin: Broadway, Famous, and Puritan.
All records included in the discography are in the collections of the Wisconsin Music Archives of the Mills Music Library at the University of Wisconsin.
Apply these guidelines to current cataloging and retrospective conversion.