3 books in series

A History of the Crusades

A History of the Crusades is a 3-book series with 3 released primary works first released in 1951 with contributions by Steven Runciman.

A History of the Crusades, Volume 1: The First Crusade and the Foundations of the Kingdom of Jerusalem
Istoria cruciadelor: 2.Regatul Ierusalimului și Orientul Latin, 1100 - 1187
Istoria cruciadelor: 3.Regatul Acrei și cruciadele târzii