Hay, Joan Frances Doulton. Managerial and professional staff grading / [by] Joan Doulton and David Hay. - London : published for the Royal Institute of Public Administration [by] Allen & Unwin [1962] - 141 p.; 23 cm. LCCN: 63049138 Subjects--Topical Terms: Job analysis.Executives. Dewey Class. No.: 658.3222 / DOM 1962