Operation Gladio by David Guyatt
Background and history of Gladio Operation Gladio - Andrew G. Marshall, Geopolitical Monitor
Secret Warfare : Operation Gladio and NATO's Stay-Behind Armies - by Daniele Gancer
Operation Gladio - by Truthmove organisation
Gladio B, battle for Eurasia - Corbett Report
Operation Northwoods Very similar false flag operation than operation Gladio , but planned for United States