Powell, Hickman
Oxford Univertity Press, 1982
Buku Teks
Bates, Ralph
E.P. Dutton, 1936
Koleksi Publik
edited by James G. Porter
Angus & Robertson, 1983
Buku Referensi
photographed by Kal Muller ; written by Paul Zach ; designed by Leonard Lueras ; edited by Gretchen Liu
Tien Wah Press , 1987
Buku Referensi
Wallace, Alfred Russel, 1823-1913
Komunitas Bambu, 2009
Buku Teks