The Political Graveyard: Otoe County, Nebraska
- Database provides brief biographies of politicians who were born, lived or died in the county, cemetery location maps, and political history.
- http://politicalgraveyard.com/geo/NE/OT.html

Otoe County - NEGenWeb
- Provides an online genealogy database, lookup contacts, map, atlas and a 1961 plat book.
- http://www.rootsweb.com/~neotoe/

Otoe County Government
- Official page lists towns within the area, services, meetings and historical information.
- http://www.co.otoe.ne.us/