Trapp, Maria Augusta. The story of the Trapp Family Singers. - Garden City, N.Y. Doubleday & Co. 1957. - 312 p. illus. 22 cm. LCCN: evl30000180 Subjects--Corporate Names: Trapp Family Singers. Subjects--Topical Terms: Folk singers--Biography. LC Class. No.: ML421.T7 / T7 1949 Dewey Class. No.: 927.8