@article {Bautz 1990a, title = {Birnbaum, Heinrich v. d. (Henricus Brunonis de Piro)}, journal = {Biographisch-bibliographisches Kirchenlexikon}, volume = {1}, year = {1990}, note = {Websiteversie met acuele aanvullingen, geraadpleegd op 26.06.2018.}, pages = {601}, keywords = {biographiae, Henricus de Piro O.Cart. (biographia)}, attachments = {http://cartusiana.org/sites/default/files/Bautz_Heinrich\%20von\%20dem\%20Birnbaum.pdf}, author = {Friedrich Wilhelm Bautz} }