Johan Gunnar Andersson: The cave-deposit at Sha Kuo T’un in Fengtian (Palæontologica Sinica, Series D, Vol. I, Fasc. I; Peking: Published by the Geological Survey of China, 1923)
Digitized: Internet Archive (digitizing sponsor: Kahle/Austin Foundation; collection Trent University) No copy listed in Wiener China-Bibliographie