The vocabulary of the letters of Saint Gregory the Great;
a study in late Latin lexicography ...
by James Francis O'Donnell.

APA Citation

O'Donnell, J. Francis. (1934). The vocabulary of the letters of Saint Gregory the Great: a study in late Latin lexicography ... Washington, D.C.: The Catholic university of America.

MLA Citation

O'Donnell, James Francis, 1910-. The Vocabulary of the Letters of Saint Gregory the Great: a Study In Late Latin Lexicography ... Washington, D.C.: The Catholic university of America, 1934.

Warning: These citations may not always be complete (especially for serials).