——. The Emergence of the Modern Balkan Literary Languages—A Comparative Approach. (School of International Affairs, Institute on East Central Europe, Columbia University.) Wiesbaden: Otto Harrassowitz, 1964.
——. "The History of the Albanian Alphabet: A Case of Complex Cultural and Political Development," Sudost Forschungen (Munich), XIX, 1960, 263-284.
——. The Political Evolution of Albania, 1912-1944. New York: Mid-European Studies Centers, March 8, 1954.
Skendi, Stavro (ed.). Albania. New York: Praeger, 1956.
Statistical Yearbook, 1967. Paris: United Nations Educational, Scientific and Cultural Organization, 1968.
Statistical Yearbook of the German Democratic Republic, 1969. Berlin: State Publishing House, 1969.
Stokes, William Lee. Essentials of Earth History. Englewood Cliffs: Prentice-Hall, 1966.
Thomas, John I. Education for Communism: School and State in the People's Republic of Albania. (Hoover Institution Studies, XXII.) Stanford: Hoover Institution Press, 1969.
Triska, Jan F. (ed.) Constitutions of the Communist Party-States. (Hoover Institution Publications 70.) Stanford: Hoover Institution on War, Revolution, and Peace, 1968.
Twenty Years of Socialism in Albania. Tirana: Naim Frasheri State Publishing House, 1964.