Bóveda-Penalba, Vermeer, Rodrigo and Guerra-Vásquez (2009). Preliminary Report on the Distribution of Callicebus oenanthe on the Eastern Feet of the Andes. International Journal Primatology 30:467–480.

Aldrich, B. C. (2006). A song-based survey of the Andean titi monkey (Callicebus oenanthe) at Tarangue, with notes on its vocalisations. MSc dissertation, Oxford Brookes University.

DeLuycker, A.M. (2006). Preliminary report and conservation status of the Rio Mayo titi monkey, Callicebus oenanthe Thomas, 1924, in the Alto Mayo Valley, Northeastern Peru. Primate Conservation 21: 33-39.

Mark, M. (2003). Some observations on Callicebus oenanthe in the Upper Rio Mayo Valley, Peru. Neotropical Primates 11: 183-187.

Rowe, N. and Martinez, W. (2003). Callicebus sightings in Bolivia, Peru and Ecuador. Neotropical Primates 11: 32-35.

Hershkovitz, P. (1990). Titis, New World monkeys of the genus Callicebus (Cebidae, Plathyrrhini): A preliminary taxonomic review. Fieldiana, Zoology. New Series, 55, 1–109.