Starr, John Bryan, author
Harper & Row, 1973
Buku Teks
Silcock, Arnold
Faber and Faber, 1936
Buku Teks
Jos, Mullie, author
The Bureau of Engraving and Printing, 1932
Buku Teks
Lanteigne, Marc, author
Routledge, 2013
Buku Teks
Yao-Sheng Chien
Institute of Advanced Projects , 1962
Buku Teks