@inbook {Doyle 2008, title = {A manuscript of Petrus Dorlandus of Diest{\textquoteright}s Viola animae}, booktitle = {Julian M. Luxford (ed.), Studies in Carthusian monasticism in the late Middle Ages}, series = {Medieval church studies}, number = {14}, year = {2008}, pages = {155-162}, address = {Turnhout}, keywords = {Durham UL (ms. S.R.3.A.4/2), manuscripta, Petrus Dorlandus O.Cart.: Viola animae (ms. Durham UL)}, attachments = {http://cartusiana.org/sites/default/files/Doyle_Dorlandus\%E2\%80\%99\%20Viola\%20animae.PDF}, author = {Doyle, Anthony Ian} }