Sarton, George
Henry Schuman, 1948
Buku Teks
Sarton, George
George Braziller, Inc., 1956
Buku Teks
Mason, Stephen F., author
Collier Books, 1962
Buku Teks
Taylor, F. Sherwood, author
Frederick A. Praeger, , 1955
Buku Teks
edited by R.C. Olby, G.N. Cantor, J.R.R. Christie and M.J.S. Hodge
Routledge, 1990
Buku Referensi