Mason, Victor
Periplus Editions, 1989
Buku Referensi
Wright, Judith, 1915-2000, author
Angus and Robertson, 1962
Koleksi Publik
edited by Christopher M. Perrins, Alex L.A. Middleton
Facts on File, 1985
Buku Referensi
edited by Christopher M. Perrins and Alex L.A. Middleton
Grolier International, 1993
Buku Referensi
edited by Bruce Campbell and Elizabeth Lack
Buteo Books, 1985
Buku Referensi