პტოლემე: გინორთი გინოჯინეფს შქას

* [http://www.sacred-texts.com/astro/ptb/index.htm Entire ''Tetrabiblos'' of J.M. Ashmand's 1822 translation.]

* [https://penelope.uchicago.edu/Thayer/E/Gazetteer/Periods/Roman/_Texts/Ptolemy/home.html Ptolemy's Geography at LacusCurtius]

* [http://www.wilbourhall.org/index.html#ptolemy ''Almagest'' books 1–13] The complete text of Heiberg's edition (PDF) Greek.

* [https://archive.org/details/pt1claudiiptolemaei01ptoluoft ''Almagest'' books 1–6] at Internet Archive