Thor fact sheet
Strategic Air Command’s page on the Thor missile
Wikipedia’s entry on the Thor missile
The Institute of Historical Research article on The Thor IRBM and the Cuban missile crisis
Folkingham’s Deadly Secret
Shepherd’s Grove weapon store and Thor sites
The Douglas Thor in RAF service by Martin Powell
The Cuban Missile Crisis, a nuclear order of battle
Boeing’s short history on the Thor
Operation Emily, the surveying of the Thor sites in Eastern England
US Thor restoration project
Harrington Thor Preservation Society
English Heritage Listing for the Harrington Thor site
English Heritage Listing for the North Luffenham Thor site
Encyclopedia Astronautica webpage on the Thor missile
BCAR’s webpage on the Thor missile
RAF. Lincolnshire webpage on the Thor missile
Space Launch Report on the Thor missile
RAF Museum’s webpage on the Thor missile
Missile testing at Vandenberg Air Force Base
Report to US Congress on the Initial Review of Ballistic Missile Programs 1960
Space Review article on Thor launch failures
Operation Dominic including the Starfish Prime, Bluegill Triple Prime, & Kingfish Thor nuclear weapon tests on Johnston Island
Johnston Atoll & the Thor missile
