The letters of Gerbert, with his papal privileges as Sylvester II.

APA Citation

Sylvester II, P., Lattin, H. Pratt. (1961). The letters of Gerbert, with his papal privileges as Sylvester II. New York: Columbia University Press.

MLA Citation

Sylvester II, Pope, ca. 945-1003, and Harriet Pratt Lattin. The Letters of Gerbert, With His Papal Privileges As Sylvester II. New York: Columbia University Press, 1961.