Spear, Percival, author
University of Michigan Press, 1961
Buku Teks
edited by H. H. Dodwell
University Press, 1929
Buku Teks
Spear, Percival, author
The University of Michigan Press, 1961
Buku Teks
Allan, J., author
Harvard, 1934
Buku Teks
Dumont, Louis
Mouton, 1970
Buku Teks