Oxford University Press, 1970
Buku Teks
Clark, Wilfrid E. Le Gros
Quadrangle Books, 1971
Buku Teks
Keith, Arthur Berriedale, 1879-1944
Watts & Co, 1947
Buku Teks
Keith, Sir Arthur
Watts & Co., 1950
Buku Teks
Ingold, Tim, 1948-
Routledge, 2016
Buku Teks