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Charles David Smith and Richard James Howe: The Welte-Mignon, its music and musicians; complete catalogue of Welte-Mignon reproducing piano recordings 1905–1932, historical overview of companies and individuals, biographical essays on the recording artists and composers. Vestal, NY: Vestal Press, 1994. ISBN 1-879511-17-7; (out of print).
Gerhard Dangel und Hans-W. Schmitz: Welte-Mignon-Reproduktionen / Welte-Mignon Reproductions. Gesamtkatalog der Aufnahmen für das Welte-Mignon Reproduktions-Piano 1905-1932 / Complete Library Of Recordings For The Welte-Mignon Reproducing Piano 1905-1932. Stuttgart 2006. ISBN 3-00-017110-X