Morison, Samuel Eliot, author
Oxford University Press, 1962
Buku Teks
edited by Harold F. Williamson
Prentice-Hall, 1951
Buku Teks
Wright, Benjamin F., author
Phoenik Books, 1967
Buku Teks
Morison, Samuel Eliot, author
Oxford University Press, 1949
Buku Teks
Mayr, Ernst, author
Belknap Press, 1982
Buku Teks