Porter, Hal, 1911-1984, author
Angus & Robertson, [Date of publication not identified]
Buku Teks
selected by Cecil Hadgraft
Angus and Robertson, 1961
Buku Teks
Ndeti, Kivuto
The UNESCO Press, 1975
Buku Teks
Cole, Fay-Cooper, author
D. Van Nostrand, 1945
Buku Teks
King, Victor T., author
Blackwell, 1993
Buku Teks