De perfectione et exercitiis sacri Cartusiensis ordinis
Elin Andersson
Manuscripta.se: A Digital Catalogue of Manuscripts in Sweden
https://www.manuscripta.se/bibl/107454
Born digital.
Johannes
Indaginis
De perfectione et exercitiis sacri Cartusiensis ordinis
Cologne
https://www.google.se/books/edition/R_P_Joannis_Hagen_de_Indagine_De_perfect/UXB6xbOsN0AC?hl=sv&gbpv=1