Canadian Representation Abroad: From Agency to Embassy, (Ryerson Press, 1945).
Communism National and International: Eastern Europe after Stalin, (University of Toronto Press, 1966).
The Governments of Communist East Europe, (Crowell, 1966).
Czechoslovakia's Interrupted Revolution, (Princeton University Press, 1976).
Charter 77 and Human Rights in Czechoslovakia, (Allen & Unwin, 1981).
Samizdat and an Independent Society in Central and Eastern Europe, (Macmillan, 1988).
T. G. Masaryk: Against the Current, 1882-1914, (Macmillan, 1994).
The Education of a Canadian: My Life as a Scholar and Activist, (McGill-Queen's University Press, 2000).
編著
Czechoslovakia, 1918-88: Seventy Years from Independence, (Macmillan, 1991).
共編著
The Czech Renascence of the Nineteenth Century: Essays Presented to Otakar Odlozilik in Honour of his Seventieth Birthday, co-edited with Peter Brock, (University of Toronto Press, 1970).
Interest Groups in Soviet Politics, co-edited with Franklyn Griffiths, (Princeton University Press, 1971).(中西治監訳『利益集団と共産主義政治』南窓社, 1988年)
Civic Freedom in Central Europe: Voices from Czechoslovakia, co-edited with Paul Wilson, (Macmillan, 1991).