Caldwell, Harry R (1924). Blue Tiger. Abingdon Press.
Chapman Andrews, Roy (1925). Camps & Trails in China: A Narrative of Exploration, Adventure, and Sport in Little-Known China. Appleton. HTML fulltext at Project Gutenberg
Shuker, Karl P N (1989). Mystery Cats of the World. Robert Hale. ISBN 0-7090-3706-6.
