The Pneumatics of Hero of Alexandria
- Translated for and edited by Bennet Woodcroft. Contains a list of 78 inventions with detailed explanations and drawings.
- http://www.history.rochester.edu/steam/hero/index.html

Heron of Alexandria by Michael Lahanas
- Features inventions, biography and science. Includes links, photos, articles, list of his books and detailed descriptions.
- http://www.mlahanas.de/Greeks/HeronAlexandria.htm

Mathworld - Heron's Formula
- An important theorem in plane geometry. Describes it in detail while relating other formulas.
- http://mathworld.wolfram.com/HeronsFormula.html

Heron of Alexandria
- Features biography with references and links.
- http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Heron.html

Heron of Alexandria (ca. 75 AD)
- Greek mathematician who was mainly interested in practical studies in mechanics and engineering, best known for Heron's Formula.
- http://scienceworld.wolfram.com/biography/Heron.html