Ladd, E. C. & Lipset,s. M. PROFESSORS, UNIONS AND AMERICAN HIGHER EDUCATION - 0 - American Enterprise Institute 1980/08/17 - 125 Source: Purchase American - Lib, Madras American - Lib , Madras Subjects--Uniform Titles: LABOUR ECONOMICS Subjects--Topical Terms: Economics Dewey Class. No.: 331.89