1. Aldrovandi, U. 1637. De quadrupedibus digitatis viviparis libri tres et de quadrupedibus digitatis oviparis libri duo. Bartholomaeus Ambrosinus collegit. In: A. Nicolaum Tebaldinum ed., Bononia, pp. 1–716.
2. Allen, A.W., 1982. Habitat suitability index models: beaver. U.S. Fish Wildl. Serv. FWS/OBS-82/10.30.
3. Modeling habitat suitability for beaver (Castor canadensis) using geographic information systems;Anderson,2014
4. Beaver (Castor canadensis);Baker,2003
5. Batbold, J, Batsaikhan, N., Shar, S., Hutterer, R., Kryštufek, B., Yigit, N., Mitsain, G. Palomo, L. 2016. Castor fiber. The IUCN Red List of Threatened Species 2016: e.T4007A115067136. https://doi.org/10.2305/IUCN.UK.2016-3.RLTS.T4007A22188115.en.