The history of the expedition of the Emperor Frederick
The history of the pilgrims
The chronicle of Magnus of Reichersberg
A letter concerning the death of the Emperor Frederick
The chronicle of Otto of St Blasien 1187-1197
An account of the seaborne journey of the pilgrims heading to Jerusalem who captured Silves in 1189
Frederick I's imperial "Land Peace" (issued at Nuremberg, 29 December 1188).
The crusade of Frederick Barbarossa : the history of the expedition of the Emperor Frederick and related texts. ISBN 9781409406815. Published by Ashgate in 2010. Publication and catalogue information, links to buy online and reader comments.