Société d’Anthropologie de Paris 3, 1868, p. 350–392 ↑ Paul Broca: On the humanskulls and bones found in the cave of Cro-Magnon near Les Eyzies. En E. Lartet
Martínez, I., Gracia, A., Carretero, J.M. und Carbonell, E. "Three new humanskulls from the Sima de los Huesos Middle Pleistocene site in Sierra de Atapuerca
Martínez, I., Gracia, A., Carretero, J.M. und Carbonell, E. "Three new humanskulls from the Sima de los Huesos Middle Pleistocene site in Sierra de Atapuerca