translated by W.H.D. Rouse
Mentor Books , 1956
Buku Teks
Pocket Library, 1950
Buku Teks
Ebenstein, William, author
Rinehart, 1963
Buku Teks
Ebenstein, William, author
Thomson Learning, 2000
Buku Teks
Ebenstein, William, author
Rinehart, 1960
Buku Teks