- Actors Compendium
- Encyclopedia Britannica
- LucyWho.com - Trivia, Quotes, Trailers, Posters, Photos
- NNDB (Notable Names Database)
- New York Review of Books - article [Ben Fountain] (23 May 2019)
- The Political Graveyard - political profile
- The Washington Post - article: "... Mayor Bloomberg operates as a party of one" (9 August 2012 )
- Who's Dated Who?