Grosser, Maurice, author
Charter Books, 1964
Buku Teks
Marcucci, Luisa, author
Studio Books , 1960
Buku Referensi
Wolf, Martin L., author
Philosophical Library, 1958
Buku Referensi
Hopkirk, Frannie, author
Random House Australia, 1996
Buku Teks
Baur, John I.H.
Graphic Society, 1957
Buku Teks