Pressat, Roland, author
Methuen, 1966
Buku Teks
Spiegelman, Mortimer, author
Harvard University Press, 1968
Buku Teks
Hollingsworth, T.H., author
Cornell University Press, 1969
Buku Teks
Shryock, Henry S., author
Academic press, 1976
Buku Teks
Smith, T. Lynn, author
F.A. Davis, 1970
Buku Teks