Porter, Dot2023-05-232015-11-022015-10-012015-11-02https://repository.upenn.edu/handle/20.500.14332/46920http://dla.library.upenn.edu/dla/medren/detail.html?id=MEDREN_5419609youtubeMedieval StudiesOther Arts and HumanitiesPenn Library's LJS 359 - Liber canonis (Video Orientation)Media