Further reading

  • Honigmann, E. (1929). Die sieben Klimata und die πολεις επισημοι. Eine Untersuchung zur Geschichte der Geographie und Astrologie in Altertum und Mittelalter. Heidelberg: Carl Winter's Universitätsbuchhandlung. 247 S.
  • Rosokoki, A. (1995), Die Erigone des Eratosthenes. Eine kommentierte Ausgabe der Fragmente, Heidelberg: C. Winter-Verlag
  • Shcheglov, D.A. (2004/2006). "Ptolemy's System of Seven Climata and Eratosthenes' Geography". Geographia Antiqua 13: 21–37.
  • Thalamas, A. (1921). La géographe d'Ératosthène. Versailles.
  • English translation of the primary source for Eratosthenes and the size of the Earth at Roger Pearse.
  • Bernhardy, Gottfried: Eratosthenica Berlin, 1822 (PDF) (Latin/Greek), Reprinted Osnabrück 1968 (German)
  • Eratosthenes' sieve in JavaScript
  • About Eratosthenes' methods, including a Java applet
  • How the Greeks estimated the distances to the Moon and Sun
  • Measuring the Earth with Eratosthenes' method
  • List of ancient Greek mathematicians and contemporaries of Eratosthenes
  • New Advent Encyclopedia article on the Library of Alexandria
  • Eratosthenes' sieve in classic BASIC all-web based interactive programming environment
  • International pedagogical project : project :fr:La main à la pâte.
  • Open source Physics Computer Model about Eratosthenes estimation of radius and circumference of Earth
  • Eratosthenes, Katasterismoi (or Astrothesiae), original text