Online repositories

The National Jukebox at the Library of Congress . Searchable database of recordings.
Available at:
» http://www.loc.gov/jukebox/

Audio Preservation Fund.
Available at:
» http://audiopreservationfund.org

The Voices And Music Of World War I (University of Missouri-Kansas City).
Mostly American recordings. Available at:
» http://library.umkc.edu/spec-col/ww1/intro.htm

Cylinder Preservation and Digitization Project, Department of Special Collections, Donald C. Davidson Library, UC Santa Barbara.
Available at:
» http://cylinders.library.ucsb.edu

Digital History at the University of Houston, World War I (Music).
Available at:
» http://www.digitalhistory.uh.edu/era.cfm?eraID=12&smtID=6

Internet Archive, 78 RPMs & Cylinder Recordings.
Available at:
» https://archive.org/details/78rpm

FirstWorldWar.com, Vintage Audio and Video.
Available at:
» http://www.firstworldwar.com/audio/

Free Music Archive.
Available at:
» http://freemusicarchive.org

World War One Music and Songs (Part of the ‘World War One Photos’ media archive).
Available at:
» http://www.ww1photos.com/WW1MusicIndex.html