Rats and Mice
- Provides basic information on a number of different mice, rats, and voles.
- http://www.handsontheland.org/classroom/04/rats_mice.html

Animal Diversity Web: Rodentia
- Written largely by and for college students, this site contains a wealth of information and photos. There are large sections on each of the rodent families.
- http://animaldiversity.ummz.umich.edu/site/accounts/information/Rodentia.html