Chamberlin, Marry W.
American Library Association, 1959
Buku Referensi
Rathbun, Mary Chalmers
Adison Galery American Art, 1954
Buku Teks
Jenkins, Keith
Routledge, 1996
Buku Teks
Nicholson, Robert
Robert Nicholson Pub., 1988
Buku Referensi
Willard, Wendy
Osborne/McGraw-Hill, 2001
Buku Referensi