Winslow, E. M. The pattern of imperialism : a study in the theories of power / E. M. Winslow - New York : Columbia Univ. Press , 1948 - xii, 278 p. ; 24 cm. Bibliography: p. 257-268. Subjects--Topical Terms: ImperialismInternational relations Dewey Class. No.: 321.03 / WIN