Marks, John
Heinemann, 1983
Buku Teks SO
edited by R.C. Olby, G.N. Cantor, J.R.R. Christie and M.J.S. Hodge
Routledge, 1990
Buku Referensi
Taylor, F. Sherwood
Frederick A. Praeger, 1955
Buku Teks SO
edited for the International Commission for a History of the Scientific and Cultural Development of Mankind by Guy S. Metraux and Francois Crouzet
New American Library, 1963
Buku Teks
Taylor, F. Sherwood
Norton, 1963
Buku Teks SO