William Turner:On M. Dubois' Description of Remains recently found in Java, named by him Pithecanthropus erectus: With Remarks on so-called Transitional Forms between Apes and Man. In: Journal of Anatomy and Physiology. 29. Jahrgang, Pt 3, April 1895, S.424–45, PMID 17232143, PMC1328414(freier Volltext) – (englisch).
David Hepburn:The Trinil Femur (Pithecanthropus erectus), contrasted with the Femora of Various Savage and Civilised Races. In: Journal of Anatomy and Physiology. 31. Jahrgang, Pt 1, Oktober 1896, S.1–17, PMID 17232222, PMC1327807(freier Volltext) – (englisch).