In this oral history from the Birmingham Civil Rights Institute, Washington Booker recalls being arrested and jailed for participating in the Children's Crusade of 1963. [6:17]

This site, which is provided for by the Medieval Sourcebook of Fordham University, gives St. Bernard's written defense of the Second Crusade, in spite of its failure.

This site from the Fordham University provides Niceta Choniate's first person account of the sacking of Constantinople by the crusaders of the fourth crusade.

A historical document about the opening of the First Crusade, describing preparations and the people involved.