Family Lemuridae: Contains a physical description, pictures and classification information.
Lemur Center: Includes research on conservation needs, and primate evolution. Extensive amount of information on lemurs.
Lemurs: Contains several pictures, audio clips of what they sound like, and conservation information.
Lemurs: Contains information about their evolution, social structure, distribution and habitat.
Nature: A Lemur's Tale: Information and images from the PBS television program.
Ring-tailed Lemur: Illustrated article about a baby white Ring-tailed Lemur.
Ring-Tailed Lemur: Learn about where these animals live, and what they eat.
Ring-Tailed Lemurs: Contains photographs, video, and fun facts of this animal.
Wikipedia: Lemur: Encyclopedia gives a brief description of the physical traits of this animal.