Locke, John
A Mentor Books, 1965
Buku Teks
edited Nancy L. Rosenblum and Robert C. Post
Princeton University Press , 2002
Buku Teks
Artikel Jurnal
Blau, Peter M.
University of Chicago Press, 1957
Buku Teks
Port, M. H. (Michael Harry)
Published for the Paul Mellon Centre for Studies in British Art by Yale University Press, 1995
Buku Teks SO