- Columbo Trivia and Links ...www.festivalusa.com/columbo
- The Ultimate Lieutenant Columbo Fan Site, Where You Will Find Pictures, Episode Guides, Book Info, Etc..www.columbo-site.freeuk.com
- The first drinking game I (Jeff Keegan) ever created myself (with help from a few friends).. Based on the TV/movie series Columbo ...www.keegan.org/jeff/humor/columbodrinkinggame.html
