Porter, Dot2023-05-232023-05-232015-04-052015-04-25https://repository.upenn.edu/handle/20.500.14332/46428http://hdl.library.upenn.edu/1017/d/medren/4094853Psalters--SpecimensLearning and scholarship--History--Medieval 500-1500 CodicesCommentariesPsaltersGlosses (annotations)CanticlesManuscripts Latin--12th centuryManuscripts MedievalBook