Internet Ancient History Sourcebook Greece: Fordham University. "Collection of public domain and copy-permitted historical texts presented cleanly (without advertising or excessive layout) for educational use."
Perseus Digital Collection Greek and Roman Materials: Tufts University. "Our flagship collection covers the history, literature and culture of the Greco-Roman world."
Theoi Texts Library: University of Aukland and Leiden University in the Netherlands. "Collection of translations of works of ancient Greek and Roman literature. The theme of the library is classical mythology and so the selection consists primarily of ancient poetry, drama and prose accounts of myth." Be sure to select the GREEK literature, not the ROMAN literature.