Anna Komnena - The Alexiad
- Full text translation of Book XI where the First Crusade is recounted from the point of view of the rulers of the Byzantine Empire.
- http://www.fordham.edu/halsall/basis/AnnaComnena-Alexiad11.html
Guy, A Knight: - A letter written in 1249 by a French knight serving in the Sixth Crusade. - http://www.fordham.edu/halsall/source/1249sixthcde-let.html
Medieval Sourcebook: Summons to A Crusade - Translation of Pope Eugene's call for the Second Crusade, of Dec 1, 1154. - http://www.fordham.edu/halsall/source/eugene3-2cde.html
Frederic II: Letter to Henry III of England - Original text courtesy of the Hanover Historical Texts Project; Hanover College. - http://history.hanover.edu/texts/fifthcru.html
Frederick I - Letter to Leopold of Austria - Original text courtesy of the Hanover Historical Texts Project, Hanover College. - http://history.hanover.edu/texts/frederic.html
Urban II - Speech at Council of Clermont - Includes five versions of the speech as written down by witnesses. - http://www.fordham.edu/halsall/source/urban2-5vers.html