edited by Gerald DeWitt Sanders, John Herbert Nelson, M.L. Rosenthal
Macmillan, 1970
Buku Teks
Polygon, 1994
Buku Teks
Wilmer, Clive
Carcanet, 1994
Buku Teks
Holt Rinehart & Winston, 1972
Buku Teks
edited by Michael Hulse, David Kennedy and David Morley
Bloodaxe Books, 1993
Buku Teks