found: Vaughan Williams, R. On Christmas night, c1957: t.p. (Adolf Bolm)
found: Cohen-Stratyner, B.N. Biog. dict. of dance (Bolm, Adolf; b. 9-25-1894, St. Petersburg; d. 4-16-51, Hollywood, CA; Russian ballet dancer and choreographer working in the United States after 1916)
found: Who is who in music, 1929 (Bolm, Adolph; balletmaster, Chicago; born in Petrograd, Russia)
found: Wikipedia, Oct. 12, 2010: (Adolph Bolm; b. Sept. 25, 1884)
found: NYT, April 17, 1951 (Bolm dies at age 67)
found: adolphbolm.com, Oct. 12, 1010 home page (Bolm b. Sept. 25, 1884)