Historians of American student activism will be familiar with Robert Cohen’s When the Old Left Was Young, a history of the American Student Union of the 1930s, and of the activism that surrounded it. Cohen has put a series of excerpts from that book up on the web, along with about a hundred documents and memoirs of the era.

The site, Activist Impulses: Campus Radicalism in the 1930s, is well worth taking a wander through.