Schwarz, John E. The forgotten Americans / John E. Schwarz and Thomas J. Volgy. - 1st ed. - New York : Norton, c1992. - xvi, 219 p. ; 22 cm. ISBN: 0393033880 : $19.95 ($24.99 Can.) LCCN: 91039019 LC Class. No.: HC110.P6 S32 1992 / S32 1992 Dewey Class. No.: 305.5/69/0973