Columbia University
Department of History
Ph.D. 1965 Columbia University
M.A. 1955 Johns Hopkins University, School of Advanced International Studies
B.A. 1953 Bates College
Southern Europe in the 19th and 20th Centuries: An Historical Overview. 1992.
Editor. La Guerra de Espana, 1936-1939. 1986.
Editor. Imdalecio Prieto. 1975.
Agrarian Reform and Peasant Revolution in Spain: Origins of the Civil War. New Haven: Yale University Press, 1970.