Moore, Frank Ledlie
Contemporary books, 1996
Buku Referensi
Heling, Bureau Menno
Het Spectrum, 1994
Buku Referensi
edited by Dagobert D. Runes and Harry G. Schrickel
Philosophical Library, 1946
Buku Referensi
editor, John Prest
Oxford University Press, 1993
Buku Referensi
text edited by J. Coulson, C.T. Carr, Lucy Hutchinson and Dorohy Eagle; illus. edited by Helen Mary Petter
Clarendon Press, 1962
Buku Referensi