Whittemore, L. H. Peroff : the man who knew too much / by L. H. Whittemore. - New York : Morrow, 1975. - 315 p. ; 24 cm. ISBN: 0688029345 LCCN: 75008767 LC Class. No.: HV6248.P415 .W48 / W48 Dewey Class. No.: 364.1/63/0924 B