Nichols, Beverley
Harcourt, Brace and Company, 1944
Buku Teks
Farmer, Beverley
Penguin Books , 1983
Buku Teks
Nichols, Eugene D.
Rinehart Press, 1975
Buku Teks
Spear, Percival, author
The University of Michigan Press, 1961
Buku Teks
Farmer, Beverley
University of Queensland Press , 1990
Buku Teks