Library of Congress
Authorities & Vocabularies
found: Mozart, J. C. W. A. Mitridate. [Phonodisc] 1970.
found: Baker's biographical dictionary of twentieth-century classical musicians, c1997 (Hager, Leopold; b. Oct. 6, 1935, Salzburg; Austrian conductor)
found: Information from 678 converted Jan. 5, 2015 (conductor; b. 1935)