Winkler, John W.
A Voon Book Division, 1972
Buku Teks
Parrott, Thomas Marc, author
Charles Scribner's Sons, 1955
Buku Teks
Gleeson, James, author
Thames and Hudson, 1965
Buku Teks
Gleeson, James, author
Thames and Hudson, 1969
Buku Teks
Clarke, D. Waldo, author
Longmans, Green, 1950
Buku Teks