Lewin David et al Urban labor market Institutions, information, li - New York Praeger U. S. A. 1974 - xv, 155p. cm. - Praeger Special Studies in U.S. economic, social and political issues . Columbia University, conservation of human resources studies Source: General Book Subjects--Topical Terms: Labour Market Economics-Columbia Dewey Class. No.: X:991.7311.N7, L4