Swingle, Deane B., author
D. Van Nostrand, 1950
Buku Teks
Jordan, Edwin O., author
W.B. Saunders, 1946
Buku Teks
Ford, William W., author
W.B. Saunders, 1927
Buku Teks
Ford, William W., author
Hafner Press, 1964
Buku Teks
Skerman, V.B.D.
The Williams & Wilkins, 1967
Buku Teks