Bloch, Herbert Aaron, 1904-1965. Delinquency; the juvenile offender in America today, by Herbert A. Bloch and Frank T. Flynn. - New York, Random House [1956] - 612 p. illus. 24 cm. LCCN: 55008174 LC Class. No.: HV9104 .B46 / .B46 Dewey Class. No.: 364.36