Williams, David, author
Routledge, 1996
Buku Teks
Huszar, George B. de (George Bernard), 1919-1968, author
Littlefield, Adams, 1959
Buku Teks
Stanford University Press, 1988
Buku Teks
edited by Robert E. Ward
Princeton University Press, 1968
Buku Teks
edited by Robert E. Ward & Dankward A. Rustews
Princeton University Press, 1968
Buku Teks