Legum, Colin, author
Frederick A. Praeger, 1964
Buku Teks
Robertson, Hector Menteith, author
Cambridge University Press, 1957
Buku Teks
Sachs, Albie
University of California Press, 1973
Buku Teks
edited by Gerald Moore and Ulli Beier
Penguin Books, 1963
Buku Teks
The National Committee for the Commemoration, 1985
Buku Teks