Pennington Family Journal
- Decendants of Richard Pennington (b.abt.1740) and Hannah Boone (b.abt.1746), compiled by Zachary V Pennington.
- http://www.pjournal.com/

Pennington Research Association
- Non-profit corporation, incorporated in California to collect, preserve, maintain, and disseminate material relating to the ancestral structure of the family.
- http://www.penningtonresearch.org/