Lewallen, Constance M.
University of California, Berkeley Art Museum and Pacific Film Archive, 2003
Buku Teks SO
Noack, Paul
G.Olzog, 1960
Buku Teks
New York Graphic Society, 1956
Buku Referensi
Singh, Madanjeet
New York Graphic Society, 1956
Buku Referensi
edited by Huntington Caims and John Walker
Macmillan, 1952
Buku Referensi