Town of Greenbush
- Features a brief description of the town, including the origin of the village named Olamon. Provides contact information for local officials.
- http://www.maine.gov/local/penobscot/greenbush/

1837 Census of Greenbush
- Provides early census information.
- http://www.rootsweb.com/~meandrhs/census/maine/greenbush/1837.html