Keywords: Time measurements / Has Images: Yes - DS Catalog Search Results

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1. University of Pennsylvania, LJS 216

DS ID:: DS136
Title:: Sphaera mundi
Author:: Johannes de Sacrobosco
Place:: Paris and France
Date:: between 1256 and 1270

2. University of Pennsylvania, LJS 487

DS ID:: DS722
Title:: Astronomical texts
Place:: France
Date:: between 1500 and 1599