Herling, John Right to challenge people and power in the Steelworkers Union / John Herling. - [1st ed.] - New York : Harper & Row, 1972. - xi, 415 pages ; 24 cm. - 331(73) (NLA) . Includes index. Subjects--Topical Terms: United Steelworkers of America Universal Decimal Class. No.: 331(73) (NLA)