Botsford, George Willis
Macmillan, 1939
Buku Teks
Ussher, Arland
The New American Library, 1957
Buku Teks
Duke University Press, 1979
Buku Teks
Shaw, Bernard, 1856-1950, author
Penguin Books, 1952
Buku Teks
Shaw, Bernard, 1856-1950, author
Penguin Books, 1934
Buku Teks