Persepolis fortification tablets

Persepolis fortification tablets: large collection of ancient Persian cuneiform administrative texts, written between 506 and 497 BCE. They are one of the most important sources for the study of the administration of the Achaemenid empire. Persepolis was one of the capitals of the ancient Persian empire, founded by king Darius I the Great in 518 BCE. It was excavated by the Oriental Institute of Chicago: Ernst Herzfeld and F. Schmidt were working in Persepolis from 1931 to 1939. During the excavations, two archives of cuneiform texts were discovered.