Porter, Dot2023-05-232023-05-232015-02-252015-04-25https://repository.upenn.edu/handle/20.500.14332/46333http://hdl.library.upenn.edu/1017/d/medren/4626269Astronomy--Early works to 1800Geography--Early works to 1800Meteorology--Early works to 1800Medicine--Early works to 1800 CodicesTreatisesDiagramsMapsManuscripts Latin--12th centuryManuscripts MedievalBook