Library of Congress
Authorities & Vocabularies
found: Elisabeth Schwarzkopf sings Weber and Wagner. [Phonodisc] 1959.
found: Int. ww in mus., 15th ed. (Wallberg, Heinz; b. Mar. 16, 1923, Herringen, Westphalia, Germany; conductor)
found: mvdaily.com/news on www, March 22, 2005 (Heinz Wallberg; d. Oct. 7, 2004, age 81; German conductor)
found: Information from 678 converted Dec. 18, 2014 (Orchestral conductor; b. Westphalia 1923)