A history of the crusades / 
Setton, Kenneth Meyer.
Baldwin, Marshall W.
Wolff, Robert Lee.
Hazard, Harry W.
Philadelphia, 
1955-1962.
1. The first hundred years. Edited by Marshall W. Baldwin. 1955. 2. The later crusades, 1189-1311. Edited by Robert Lee Wolff ... and Harry W. Hazard, etc. 1962.
Library lacks v. 3-5.