found: Weisse, Hans. Sonata for piano and violin, not before 1932:title page (Hans Weisse)
found: OCLC, June 29, 2016(access point: Weisse, Hans, 1892-1940)
found: Wikiipedia, June 29, 2016:Mannes College the New School for Music (In 1931 Hans Weisse was hired, one of the leading students of Heinrich Schenker; died unexpectedly in 1940 and was replaced by Felix Salzer)
found: Berry, David Carson. "Hans Weisse and the dawn of American Schenkerism," The Journal of Musicology, v. 20, no. 1 (winter 2003), viewed via JSTOR, June 29, 2016:pages 108-109 (Hans Weisse (1892-1940); one of Schenker's earliest pupils; hired at Mannes Music School in fall 1931) - http://www.jstor.org/stable/10.1525/jm.2003.20.1.104
