London, Oxford University Press, H. Milford, 1934

Englewood Cliffs, NJ : Prentice-Hall, Inc., 1966

Oxford ; New York : Oxford University Press, 1984

Cambridge, Massachusetts : Harvard University Press, 1962

Cambridge ; New York : Cambridge University Press, 1983

[Pittsburgh] : University of Pittsburgh Press, 1972

Boston, Massachusetts : G. K. Hall & Co., 1990

Cambridge, UK ; New York : Cambridge University Press, 2011

Cambridge ; New York : Cambridge University Press, 2011

Philadelphia : Westminster Press, 1975

Tempe, AZ : Medieval & Renaissance Texts & Studies, 1997

New York : E.P. Dutton & Co., Inc., 1944

New York ; Oxford : Oxford University Press, 1987

New York : Simon & Schuster, 2015
First Simon & Schuster hardcover edition.

New York : Random House, 2009
1st ed.

San Marino, Calif. : Huntington Library, 2003

Athens, Ohio : Ohio University Press, 1981

Oxford : Clarendon Press, 1933

Boston : Houghton Mifflin, 1978
1st American ed.

Lewiston, N.Y. : Edwin Mellen Press, 1998