The Political Graveyard: Coos County, N.H.
- A database of political history and burial information about politicians from Coos County.
- http://politicalgraveyard.com/geo/NH/CO.html#CEM

Coos County New Hampshire 1895
- Image of historic map.
- http://www.livgenmi.com/1895/NH/County/coos.htm

UNH Cooperative Extension - Coos County
- Provides information on programs and services, calendar of events, and contact information.
- http://extension.unh.edu/Counties/Coos/Coos.htm

Coos County Register of Deeds
- Searchable database of records, rates and fee schedule, FAQs, office hours and contact information.
- http://www.nhdeeds.com/coos/web/start.htm

US Census Bureau
- Frequently requested Census statistics for Coos County.
- http://quickfacts.census.gov/qfd/states/33/33007.html

Coos County New Hampshire
- Personal site with emphasis on history and genealogy. Links to records about birth certificates, cemeteries, census data and history topics.
- http://www.usgennet.org/usa/nh/county/coos/index.htm