Adjustments to Labor Shortages. Richard A. Lester Irvin Sobel Journal of Political Economy 1956 64(6), 541-542
The Telegraphers: Their Craft and Their Unions. Vidkunn Ulriksson Irvin Sobel Journal of Political Economy 1955 63(1), 88-89
Collective Bargaining and Decentralization in the Rubber-Tire Industry Irvin Sobel Journal of Political Economy 1954 62(1), 12-25