1. Beobachtungen über Aufzucht und Entwicklung des Verhaltens beim grossen Löwenäffchen;Altmann-Schönberner;Leontocebus rosalia. Zool. Garten,1965
2. The origin and evolution of the calls and facial expressions of the primates;Andrew;Behaviour,1963
3. Taxonomia e zoogeografia do gěnero “Callithrix” Erxleben, 1777 (Primates, Callithricidae);Avila-Pires;Rev. brasil. Biol.,1969
4. The social behavior of adult male squirrel monkeys (Saimiri sciureus) in a seminatural environment;Baldwin;Folia Primatol.,1968
5. Reproductive synchronization in squirrel monkeys (Saimiri);Baldwin;Primates,1970