Adamstown Village Citizen's Association
- Group of residents in Adamstown Village monitoring issues related to the community and facilitate communications with residents, other organizations, and government entities. Profile, events and meeting minutes.
- http://adamstown.us/AV/

Wikipedia: Adamstown, Maryland
- Free encyclopedia with history, geography and demographics.
- http://en.wikipedia.org/wiki/Adamstown%2C_Maryland

Sheltie Haven Sheltie Rescue
- Breed rescue organization. Pictures of available dogs, adoption application and contact information.
- http://sheltiehaveninc.org/

Cooling Springs Farm
- Location of a spring house that was used as a station on the Underground Railroad. Photographs, history, research program and directions along with tour information.
- http://www.coolingsprings.org/

Carrollton Manor Land Trust
- A non-profit organization preserving land and educating land owners. Includes photographs, maps, links, history and contact information.
- http://www.cmlandtrust.org/