Windsor, England : Profile Books, 1981

Gerrards Cross, Buckinghamshire : C. Smythe, 1998

Cambridge ; New York : Cambridge University Press, 2007

New York : Farrar, Straus & Giroux, 2001
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Kalamazoo, Mich. : Published for TEAMS in association with the University of Rochester by Medieval Institute Publications, Western Michigan University, 1991

New York : Norton, 2002
2nd ed.

Ithaca : Cornell University Press, 1992

New York : Oxford University Press, 1993

London : Rupert Hart-Davis, Soho Square, 1961

Troy, N.Y. : Whitston Pub. Co., 1990

Princeton, N.J. : Princeton University Press, 1998
1st Princeton pbk. ed.

London : Faber and Faber, 1992

Kalamazoo, Mich. : Published for TEAMS by Medieval Institute Publications, Western Michigan University, 1990

Kalamazoo, Mich. : Published for TEAMS by Medieval Institute Publications, 1991

Woodbridge, Suffolk [England] ; Wolfeboro, N.H., USA : Boydell Press, 1990

Vancouver, BC : UBC Press, 1992

Oxford, Clarendon Press, 1966

Exeter : University of Exeter Press, 1994
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London : Faber, 1973

New York : Longman, 2001