Ritchie, Donald A., author
Macmillan, 1985
Buku Teks
with introduction by Harold Earl Hammond
Cambridge Book, 1964
Buku Teks
Miller, John C.
Stanford University Press, 1965
Buku Teks
Parkes, Henry Bamford
Alfred A. Knoft, 1968.
Buku Teks
Fast, Howard
William Morrow, 1971
Buku Teks