Taschen,
Buku Teks SO
Glusberg, Jorge
Academy Group, 1988
Buku Teks
Unwin, Simon
Routledge, 1997
Buku Teks SO
Wallbank, T. Walter
Scott, Foresman, 1965
Buku Teks SO
edited with introductions by Joan Mickelson-Gaughan
Scarecrow Press, 1991
Buku Referensi