The Role of the United States Employment Service in a Changing Economy, par WILLIAM HABER et DANIEL-H. KRUGER. Un vol., 6 po. X 9, broché, 122 pages. — THE W.-E. UPJOHN INSTITUTE FOR EMPLOYMENT RESEARCH, 709 South Westnedge Avenue, Kalamozoo, Michigan 49007, 1964 (L'Actualité économique, 1964)