Fainsod, Merle, author
Harvard University Press, 1965
Buku Teks
Fainsod, Merle, author
Harvard University Press, 1956
Buku Teks
Lieberman, Jethrok
Random House, 1992
Buku Teks
Salisbury, Harrison E., author
Atheneum, 1965
Buku Teks
Skrine, Francis Henry, 1847-1933, author
Cambridge University Press, 2013
Buku Teks