Jaschke, H. A., author
Curzon Press, 1998
Buku Referensi
Guenther, Herbert V., author
Shambhala, 1976
Buku Teks
Migot, Andre
EP Dutton, 1955
Buku Teks
Levenson, Claude B., author
Editions Assouline, 1997
Buku Referensi
Gordon, Antoinette K., author
Columbia University Press, 1952.
Buku Teks