Author
Hanger, G. W. W. (Glossbrenner Wallace William), 1866-1935
2
United States. Dept. of Labor
2
Clark, Victor S. (Victor Selden), 1868-1946
1
Hanafie, Nora Ekaliana
1
India. Directorate of Manpower
1
United States. Bureau of Labor
1
United States. Bureau of Labor Statistics
1
United States. Department of Commerce and Labor
1