Links
[1] https://civilresistance.info/biblio-item/2010/oxford-international-encyclopedia-peace
[2] https://civilresistance.info/biblio-item/1999/pacifism-twentieth-century
[3] https://civilresistance.info/biblio-item/1987/campaigns-peace-british-peace-movements-twentieth-century
[4] https://civilresistance.info/biblio-item/1987/nonviolent-direct-action-1950s-and-1960s
[5] https://civilresistance.info/biblio-item/1977/infantile-disorder-crisis-and-decline-new-left