The History of Service Civil International

About the longstanding history of Service Civil International there are many sources available:

2.1:

Historical overview
4.5.5:

SCI History
Articles and historical documents
2.2:

Breaking Down Barriers
Publication about the development of SCI 1945-1975
en français
2.4:

East-West
SCI history during the Cold War 1945-1990
2.5:

SCI in Germany
History of the SCI branch since 1932