The basics are listed here.  A more complete set can be found at: the Fordham Project on the Latin East.

 

Walter the Chancellor

Antiochene Wars

Latin edition: Walter the Chancellor. Galterii Cancellarii Bella Antiochena, Edited by Heinrich Hagenmeyer. Innsbruck: 1896.

English translation: Asbridge, Thomas S., and Susan B. Edgington. Walter the Chancellor’s the Antiochene Wars. Brookfield, VT: 1999.

 

John of Ibelin

John of Ibelin, Le Livre des Assises, ed. P.W. Edbury (Leiden: Brill, 2003).

 

The canons of the Council of Nablus, 1120

The canons of the Council of Nablus, 1120: http://www.crusaderstates.org/canons-of-the-council-of-nablus.html