edited by Susan Higgins, Meta Brett
Longman, 1984
Buku Referensi
London: A Whitehall Overseas Pub., 1991,
Buku Referensi
edited by Nelson B. Henry
University of Chicago Press, 1952
Buku Teks
edited by Nelson B. Henry
University of Chicago Press , 1955
Buku Teks
Henry, Nelson B., editor
University of Chicago, 1957
Buku Teks