APIS is a collections-based repository hosting information about and images of papyrological materials (e.g. papyri, ostraca, wood tablets, etc) located in collections around the world. It contains physical descriptions and bibliographic information about the papyri and other written materials, as well as digital images and English translations of many of these texts.
A 5-volume encyclopedia prepared under the auspices of the American Schools of Oriental Research, edited by Eric M. Meyers. The geographic coverage is from pre-history through the Crusades, covering the eastern Mediterranean to Iran, the Anatolian peninsula to the Arabian peninsula, and Egypt, Cyprus, and parts of North and East Africa.