The Political Graveyard: Logan County, Oklahoma
- Database provides political history, cemetery locations, and brief biographies of politicians who were born, lived or died in the county.
- http://politicalgraveyard.com/geo/OK/LO.html#CEM

Logan County Profile
- Provides report from the U.S. Bureau of the Census, Census 2000. [PDF file]
- http://staging.okcommerce.gov/test1/dmdocuments/Logan_County_Demographics_061004321.pdf

Logan County Genealogy Society
- Non-profit educational organization that exists to collect, preserve, publish and maintain genealogical material and assist members with research. Includes information about library, publications and membership form.
- http://www.rootsweb.com/~oklcgs/