@inbook {Neuhausen 1991, title = {Die Abl{\"a}sse f{\"u}r die Kartause St. Barbara}, booktitle = {Werner Sch{\"a}fke (ed.), Die K{\"o}lner Kartause um 1500. Eine Reise in unsere Vergangenheit}, year = {1991}, pages = {146-153}, address = {K{\"o}ln}, keywords = {K{\"o}ln O.Cart. (indulgentiae)}, author = {Neuhausen, Christiane} }