Important Links

The following are sources of information regarding four assassination theories. The link under the Resources heading connects to the Mary Ferrell Foundation. I have found a multitude of facts relating to President Kennedy's assassination on-line via the Foundation. It is an invaluable resource.
... Don Adams

President Kennedy Assassination Theories

Theory #1 Lone Gunman
President's Commission on the Assassination of President Kennedy or the Warren Commission (1964)

Theory #2 Conspiracy & Inadequate Investigation
House Select Committee on Assassinations (1979)

Theory #3 Lyndon Johnson
Barr McClellan, Blood Money & Power (2003)

Theory #4 Three Mafia Godfathers & Government Cover Up directed by Robert Kennedy & Others
Ultimate Sacrifice, John and Robert Kennedy, the Plan for a Coup in Cuba and the Murder of JFK, Lamar Waldron and Thom Hartman, (2005)

Resources

The Mary Ferrell Foundation

The Mary Ferrell Foundation, a non-profit organization dedicated to preserving the legacy of Mary Ferrell, a devoted archivist and researcher of the JFK assassination President Kennedy , 2 Jan 08, url: <http://www.maryferrell.org/wiki/index.php/Main_Page>

Adams Security Consultants