1949 - Roberto Michels' First Lectures in Political Sociology [Minnesota Archive Editions] (Paperback) ISBN-13: 9780816659715 ISBN-10: 0816659710 ? Roberto Michels' First Lecture in Political Sociology [Perspectives in social inquiry] (Hardcover) ISBN-13: 9780405055157 ISBN-10: 0405055153 Genre: Nonfiction ? |