Filipetti, George, author
Richard D. Irwin, 1959
Buku Teks
edited by Griffith Edwards and Marcus Grant
University Park Press, 1980
Buku Teks
Viton, Albert, author
John Day Company, 1940
Buku Teks
Viton, Albert, author
John Day Company, 1940
Buku Teks
edited by Kinya Niiseki
Westview Press, 1987
Buku Teks