Vaillant, George C., author
Penguin Books, 1950
Buku Teks
Jennings, Gary, author
A Tom Doherty Associates Book, 1980
Buku Teks
Diggins, John Patrick
W.W Norton, 1992
Buku Teks
Jarman, T.L., author
The Cresset Press, 1955
Buku Teks
Quinn, Riley, author
Taylor and Francis, 2017
Buku Teks