The 1960s: a time when all fields were active and brimming with enthusiasm. It was an epicenter of avant-garde art. Interviews with over 50 people involved can be found in this vital and varied collection of material.
You might be surprised to see this book on this list, but you want to get a grasp on Sogetsu, which was the departure point for recent movements in the world of short animation. This work gives detailed coverage of Sogetsu’s activities at the time, and the organization even today questions what it means to “create.”