Black, C.E.
Alfred A. Knopf, 1966
Buku Teks SO
Black, C.E.
Alfred A. Knopf, 1966
Buku Teks SO
edited by Gerhard L. Weinberg
Burgess, 1975
Buku Teks SO
edited by Alexander Baltzly, A. William Salomone
Appleton-Century-Crofts, 1950
Buku Teks SO
Taylor, Alan John Percivale, 1906-1990
Penguin Books in association with Hamish Hamilton, 1967
Buku Teks SO