found: Kühnhausen, J.G. Passion nach dem Evangelisten Matthäus, 1937?:t.p. (Adam Adrio)
found: Ahle, J.R. Merk auf, mein Herz, 1948:t.p. (A. Adrio)
found: Altmann, W. Kurzgefasstes Tonkünstler-Lexikon, 15. Aufl.:2. T. (Adrio, Adam; b. 4-4-01, Essen, d. 9-18-73, Schlüchtern)
found: LCCN m58-444(hdg.: Adrio, Adam, 1869- )
found: MGG, 2. Ausg.(Adrio, Adam; born April 4, 1901, Essen; died Sept. 18, 1973, Klobenstein (Bei Bozen); musicologist)
found: Baker, centennial ed.(Adrio, Adam, born April 4, 1901, Essen; died Sept. 18, 1973, Ritten, Bozen; musicologist)
found: Die Musikforschung, 27. Jahrg., H. 1 (Januar/März 1974):p. 1 (Adam Adrio; born April 4, 1901, Essen; died Sept. 18, 1973, Klobenstein bei Bozen; musicologist)
