Proctor, John H. 1931- Training; : a handbook for line managers, [electronic resource] / by John H. Proctor and William M. Thornton.. — New York, : American Management Association, [1961]. — 224p. : illus. 22cm. Subjects--Topical Terms: Employees--Training of. LC Class. No.: HF5549.5.T7 / P7 Dewey Class. No.: 658.386