Wischnitzer, Saul, author
W.H. Freeman, 1972
Buku Teks
Gray, Henry, 1825-1861, author
TAJ Books, 2014
Buku Teks
Vigue, Jordi, author
Chamberlan Press, 2015
Buku Referensi
edited by R. Putz, R. Pabst and Anna N. Taylor; translated by Anna N. Taylor
Williams & Wilkins , 1997
Buku Referensi
edited by F. Paulsen
Urban And Fischer, 2011
Buku Teks