A Timeline Of The Panama Canal Los Angeles Times
www.latimes.com
Mosquitoes Malaria And Cold Butter Discourses Of Hygiene And Health In The Panama Canal Zone In The Early Twentieth Century Panorama Journal Of The Association Of Historians Of American Art
editions.lib.umn.edu
The Panama Canal Riots Treaties Elections And A Little Military Madness 1959 1973 National Archives
www.archives.gov