- Biography and information about the contributions to mathematics of Eratosthenes.www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Eratosthenes.html
- Information about Eratosthenes and his contributions to mathematics.www.math.utah.edu/~alfeld/Eratosthenes.html
- Information about Eratosthenes' invention of a method for efficiently constructing tables of prime numbers, known as the "Sieve of Eratosthenes."www.math.utah.edu/history/eratosthenes.html
- Brief discussion of the mathematical accomplishments of Eratosthenes.www.eranet.gr/eratosthenes/html/eoc.html
