Original was Intelligenzprüfungen an Anthropoiden, Berlin 1917. 2nd German edition was titled Intelligenzprüfungen an Menschenaffen, Berlin: Springer 1921
(原始内容存档于2015-04-02). Empire of Dreams: The Story of the Star Wars Trilogy. Star Wars Trilogy Box Set DVD documentary. [2005] See David Alexander, "Star Trek
site developed by Dr. Lawrence M. Kaplan, an authority on the life of Homer Lea and author of Homer Lea: American Soldier of Fortune. Who is Homer Lea? (页面存档备份,存于互联网档案馆)