Trapp, Maria Augusta. The story of the Trapp Family Singers. - Philadelphia Lippincott [1949] - 309 p. illus. LCCN: fel36000410 //r902 Subjects--Corporate Names: Trapp Family Singers. Subjects--Topical Terms: Folk singers--Biography. LC Class. No.: ML421.T7 / T7 1953 Dewey Class. No.: 927.8