Wikipedia - Petra
- Encyclopedic entry for this site which was the capital of the Nabataeans.
- http://en.wikipedia.org/wiki/Petra

World Heritage List: Petra
- Includes a brief description of the city.
- http://whc.unesco.org/sites/326.htm

The Petra Great Temple
- Includes a short history of Petra and the Nabateans, a virtual tour, details of Brown University's excavations at the site as well as previous excavations.
- http://www.brown.edu/Departments/Anthropology/Petra/

Finnish Jabal Haroun Project
- Excavation of the monastery on the Mount of Aaron, near to Petra. Includes excavation reports, maps, photographs and a bibliography
- http://www.fjhp.info/mainpage.htm

American Expedition to Petra
- Excavations at the Nabataean Temple of the Winged Lions in Jordan, directed by Philip C. Hammond. Features a history of Petra, a staff directory, participation, and a bibliography.
- http://petra-archaeology.com/