Blair, Walter, author
Scott-Foresman, 1946-1947
Buku Teks
by Paul A. Freund [and others]
Little, Brown, 1961
Buku Teks
Oppenheim, L.
Longmas, 1955
Buku Teks
Clegg, H. A., author
Clarendon Press, 1964
Buku Teks
Churchill, Winston, Sir, 1874-1965, author
Dodd, Mead, 1956
Buku Teks