From Natural History of Southeast Alaska
- Sitka/Rattus norvegicus: Probably fairly common where suitable conditions are found. Seems to be most often reported by people who raise chickens or rabbits, but also have been known to inhabit compost piles, the landfill and abandoned buildings. (edit)
- Search Arctos Database for Rattus norvegicus (Southeast only)
- Search Arctos Database for Rattus norvegicus (entire database)
- Encyclopedia of Life search for Rattus norvegicus
- iNaturalist Observations for Rattus norvegicus in Southeast Alaska
- MacDonald Cook 2007: A few scattered reports with few specimens.