The Emperor Tamarin: Saguinus imperator
- Project by Diana Johnson-Salvador on this small primate, with information on its classification, habitat, adaptation, nutrition, reproduction and interactions with other species.
- http://acadweb.uwlax.edu/07Spring/SAH/BIO203/johnson_dian/

Proyecto Titi: Project Tamarin
- Information on the cotton-top tamarin and how roads and agriculture threaten its remaining habitat, in English and Spanish.
- http://www.proyectotiti.com/

Cotton-top Tamarin
- Information on this endangered monkey and the Species Survival Plan set up on its behalf, in English and Spanish.
- http://www.csew.com/cottontop/

Golden Lion Tamarin Conservation Program
- Information about the species Leontopithecus rosali, other members of the genus, and programs to aid in its recovery through captive breeding and in its native habitat in Brazil.
- http://nationalzoo.si.edu/ConservationAndScience/EndangeredSpecies/GLTProgram/