Hubbard, Leonard E., author
MacMillan, 1939
Buku Teks
selected, edited and introduced by Rudolf Schlesinger ; translated by W.W. Gottlieb
Routledge & Kegan Paul , 1956
Buku Teks
Ulam, Adam B.
Harvard University Press, 1963
Buku Teks
Dallin, David J., author
Hollis & Carter, 1951
Buku Teks
Griffith, William E., author
MIT Press, 1963
Buku Teks