Janauschek, Leopold: Originum Cisterciensium. Tomus I. Vindobonae 1877. S. 93-94. Nr. CCXXXI.

 

N. N.: History of Kirkstall Abbey, near Leeds, Yorkshire; with an historical sketch of the Cistercian Order of monks: an account of the founding, succession of abbots, etc. Leeds 1837. → or: Wisconsin.