Buck, John Lossing, 1890-1975, author
Frederick A. Praeger , 1966
Buku Teks
Purcell, Victor, 1896-1965, author
Victor Gollancz, 1954
Buku Teks
Buku Teks
Goldman, Merle, author
Harvard University Press, 1967
Buku Teks
Townsend, James R., author
University of California Press, 1969
Buku Teks