edited by Paul Oliver
Cambridge University Press, 1998
Buku Referensi
World Book, 1992
Buku Referensi
foreword by Emrys Jones
Octopus Books, 1978
Buku Referensi
editor, Linda A. Bennett
New York G.K. Hall [and] Company 1991-1996
Buku Referensi
Field Enterprises Educational Corporation, 1963
Buku Referensi