Deep Water - Joseph P. Macheca and the Birth of the American Mafia
- Promo site for a biography of Macheca. Includes book synopsis and slideshow, partial bibliography, timeline from 1840s through Hennessy assassination of 1890 and Crescent City lynchings in 1891, and links to New Orleans and underworld history sites.
- http://www.jpmacheca.com/

The American Mafia: New Orleans Crime Bosses
- Biographical notes on the leaders of the Crescent City's underworld.
- http://www.onewal.com/maf-b-no.html

House Select Committee on Assassinations: Carlos Marcello
- Portion of a government report linking the New Orleans crime boss with a possible anti-Kennedy conspiracy. Report includes Marcello's background and underworld career.
- http://mcadams.posc.mu.edu/russ/jfkinfo/jfk9/hscv9e.htm

Wikipedia: Carlos Marcello
- Biographical essay on the New Orleans crime boss.
- http://en.wikipedia.org/wiki/Carlos_Marcello

Crime Library: Carlos Marcello: Big Daddy in the Big Easy
- Writer Thomas L. Jones looks at the New Orleans godfather who has been linked to the assassinations of John and Robert Kennedy.
- http://www.crimelibrary.com/gangsters/marcello/index.htm

Assassination of John F. Kennedy: Carlos Marcello
- Explores the New Orleans Mafia boss's relationship to a possible conspiracy against JFK.
- http://www.spartacus.schoolnet.co.uk/JFKmarcello.htm