Theodore Mamlock, Violin, and Otto Herz, Piano Entered from booking ledger and New York Times concert listings and review. "Programs Of The Week." New York Times (1923-Current file): 1. Sep 15 1957. ProQuest. Web. 25 Sep. 2014. "Mamlock Plays Violin." New York Times (1923-Current file): 21. Sep 20 1957. ProQuest. Web. 25 Sep. 2014. "MUSIC NOTES." New York Times (1923-Current file), Sep 19, 1957, pp. 25. ProQuest. solo recital 1957-09-19T20:30:00