The database catalog is based mainly on materials stored at the successors of the original production companies, with some additional research.[1] Catalogs compiled by specialists are also used.[5]
Victor Talking Machine Company releases, including RCA-Victor recordings, were made in the United States and Central and South America prior to 1939. This includes audio recordings that were leased from the Gramophone Company's recordings catalog. (Sources: Sony Music Entertainment Archive and the University of California, Santa Barbara).[6]
Recordings for the Columbia Records label, made between 1901 and 1934. (Source: Columbia Master Book Discography by Tim Brooks and Brian Rust).
Pressings of the Berliner Gramophone Company from 1892 to 1900. (Source: Berliner Gramophone Records: American Issues 1892–1900 by Paul Charosh).
Pressings of the OKeh Records label, which were made from 1918 to 1934. (Source: Discography of OKeh Records 1918–1934 by Ross Laird and Brian Rust).
Releases from Zonophone Records. (Sources: Discographies The American Zonophone Discography: Volume I, Ten- and Twelve-Inch Popular Series (1904–1912) and The American Zonophone Discography: Volume II, Seven-, Nine-, and First Ten-Inch Series (General Catalog, 1900–1905), the latter unpublished, both prepared by William R. Bryant and Allan Sutton).
Recordings made by Decca Records between 1934 and 1974 (Source: The Decca Labels: A Discography by Michael Ruppli).
Pressings of the Brunswick Records label. (Source: Brunswick Records: A Discography of Recordings, 1916–1931 by Ross Laird).
Releases from Leeds & Catlin Records. (Source: Leeds & Catlin Records by William R. Bryant and Allan Sutton).
The American Discography Project is partnered with the National Jukebox Project of the Library of Congress. As a result, Victor Talking Machine Company recordings from 1900 to 1925,[1] and other recordings digitized by the University of California, Santa Barbara, are available on the National Jukebox.[7]
