edited with an introduction by A.E. Musson
Methuen, 1972
Buku Teks
edited by P.W.D. Matthews and G.W. Ford
Sun Books, 1968
Buku Teks
Turner, Ian, author
Nelson, 1976
Buku Teks
Beirne, Joseph A., author
Prentice-Hall, 1969
Buku Teks
Painter, Richard W., author
Pluto Press, 1993
Buku Teks