11. Columbia University Rare Book & Manuscript Library, MS X893 P95 DS ID: DS19056 Title: Astronomical texts Author: Ptolemy Place: Italy Date: 14--
12. Columbia University Rare Book & Manuscript Library, MS Or 303 - FOLIO DS ID: DS26207 Title: Almagest Author: Ptolemy Place: Iran Date: A.H. 1283 [1867