Over-the-Rhine
- A nonprofit organization that promotes the historic Cincinnati neighborhood of Over-the-Rhine. Includes map, events, articles and history.
- http://www.irhine.com/

Over-the-Rhine Chamber of Commerce
- Enhances the quality of life by promoting business and the creation of jobs.
- http://www.otrchamber.com/

Over-The-Rhine - Cincinnati Home
- Provides a brief history, demographics, housing, school, and other community information.
- http://www.cincinnatihome.org/neighborhoods/over_the_rhine/otr.htm