editor, Jennifer Mossman
Gale Research, 1989
Buku Referensi
editor, Jennifer Mossman
Gale Research, 1990
Buku Referensi
Smith, William George, compiler
Clarendon Press, 1952
Buku Referensi
edited by Catherine Soanes and Angus Stevenson
Oxford University Press, 2006
Buku Referensi
edited by Colin Howlett
Oxford University Press, 1996
Buku Referensi