Areas of Study: AMERICAS.
- City and Country: Rural Responses to Urbanization in the 1920s. (Greenwood Press, 1970.)
- Historical Reflections Reflexions Historiques: Vol (Volume) 2, No. (Number) 1, Summer/ete, 1975. (University of Waterloo Press, 1975.)
- The Paradox of Professionalism: Reform and Public Service in Urban America, 1900-1940 (Contributions in American History). (Greenwood Press, 1986.)
- Cold War Exile: The Unclosed Case of Maurice Halperin. (University of Missouri Press, 1995.)