Belov, Fedor
Routledge & Paul Kegan , 1956
Buku Teks
Hubbard, Leonard E., author
MacMillan, 1939
Buku Teks
Gras, Norman Scott Brien, author
F.S. Crofts, 1946
Buku Teks
Wilkes, Peter, author
Peter Wilkes, 1978
Buku Teks
Vasey, Daniel E., author
Iowa State University Press, 1992
Buku Teks