https://www.irishtimes.com/culture/heritage/guerrilla-tactics-arming-the-ira-1.4193732
https://www.wilsonquarterly.com/quarterly/_/guerilla-warfares-epic-history
https://www.jstor.org/stable/566849
https://www.jstor.org/stable/2780960
https://www.jstor.org/stable/259991
https://eudocs.lib.byu.edu/index.php/Ireland_1691_to_1922