found: Her The story of the Trapp Family Singers, 1987, c1949:CIP t.p. (Maria Augusta Trapp) data sheet (b. 1905; d. 1987)
found: NUCMC files(Maria Augusta von Trapp; 1905-1987; res. Stowe, Vt.; Baroness von Trapp; b. Maria Augusta Kutschera; m. Baron Georg von Trapp, 1927; story portrayed in film: The Sound of Music; Trapp Family Choir & lecturer)
found: Maria von Trapp and the Trapp Family Singers, c2017:p 28 (Maria Augusta Kutscherea, b. Jan. 26, 1905; d. Mar. 28, 1987; 1936: sings in the Trapp Family Choir; 1938: Trapp Family Singers; 1948: family changes name from von Trapp to Trapp)