Porter, Dot2023-05-232023-05-232015-03-112015-04-25https://repository.upenn.edu/handle/20.500.14332/46537http://hdl.library.upenn.edu/1017/d/medren/4919302Ciphers--Early works to 1800Cryptography--Early works to 1800 CodicesTables (documents)TreatisesVolvellesManuscripts Spanish--16th centuryManuscripts Spanish--17th centuryManuscripts RenaissanceManuscripts EuropeanBook