Niel, Robert Van, author
Foris Publications, 1960
Buku Teks
Lewis, Bernard, author
Oxford University Press, 1961
Buku Teks
Nevins, Allan, 1890-1971, author
Macmillan, 1957
Buku Teks
edited by P. Loveday, A.W. Martin, and R.S. Parker
Hale and Iremonger, 1977
Buku Teks
edited by P. Loveday, A.W. Martin & R.S. Parker
Hale and Iremonger, 1977
Buku Teks