Engel, Heinrich, author
Charles E. Tuttle, 1983
Buku Teks
Rodopi, 1992
Buku Teks
edited and translated by, Sigrid McLaughlin
Macmillan, 1989
Buku Teks
edited by David Rubel
H. Holt, 1998
Buku Teks
compiled by Kokusai Bunka Shinkokai
Kokusai Bunka Shinkokai , 1970
Buku Teks