Stewart Stehlin

Weimar and the Vatican, 1919-1933. Princeton: Princeton University Press, 1983, paperback, 1986.

Bismarck & the Guelph Problem, 1866-1890. The Hague: Nijhoff, 1973.

Friedrich Ratzel, Sketches of Urban & Cultural Life in North American, translated, edited, with introduction by Stewart A. Stehlin. New Brunswick, NJ: Rutgers University Press, 1988.

American editor, the International Commission for the publication of Akten zur deutschen auswärtigen Politik 1919-1945, Bonn, Germany, 1964-1966.

Essays in Modern Germany, An Encyclopedia of History, People, & Culture, 1871-1890. New York: Garland Press, 1999.

Essays in The Encyclopedia of the Vatican & Papacy. Westport CT: Greenwood Press, 1999.

Essays in Controversial Concordats: The Vatican's Relations with Napoleon, Mussolini, and Hitler, Frank Coppa, ed. Washington, DC: Catholic University of America Press, 1999.

Essays in Papal Diplomacy in the Modern Age, Peter Kent & John Pollard, eds. New York: Praeger, 1994.

Essays in Nations et le Saint Siège au XXe siècle, Paris: Hachette, 2003.

Die Herausfoderung der Diktaturen, Katholizismus in Deutschland und Italien 1918-1943, ed. by Wolfgang Pyta, et al., 2009.