Firth, Raymond, author
Philosophical Library, 1953
Buku Teks
Service, Elman R. (Elman Rogers), 1915-1996, author
Random House, 1971
Buku Teks
Rivers, W. H. R. (William Halse Rivers), 1864-1922, author
The Athlone Press, 1968
Buku Teks
Avebury, Lord
Longman, Green and Co., 1912
Buku Teks
Firth, Raymond, author
The New American Library, 1958
Buku Teks