Magna Graecia Coins is an online collection of images of coins taken from Greek archaeological sites in Sicily and southern Italy
The Princeton Numismatic Collection contains thousands of images of Greco-Roman coins
Advanced Papyrological Information System provides access to online papyri collections of over 20 institutions
Papyrus Carlsberg Collection inventories papyri at the University of Copenhagen; provides a bibliography and concordance
POxy inventories the Oxyrhynchus Papyri Collection at Oxford University
Searchable Greek Inscriptions facilitates the study of Greek epigraphy; maintained by the Packard Humanities Institute
