Full Text Collections: Classics Research Guide

Perseus Digital Library
Digital collection of primary source material from the classical period. Also includes other materials such as maps and reference sources. [Review by J.B. Lott for World History Sources]

Patrologia Latina
A largely Latin-language full text database covering the major and minor Latin authors whose writings comprise the most influential works of the late ancient and early medieval theology, philosophy, history, and literature. Authors like Ambrose Peter Chrysologus are included.

Thesaurus Linguae Graecae
The TLG digital library contains virtualy all ancient Greek texts surviving from the period between Homer (8th century B.C.) and A.D. 600, and a large number of texts deriving from the period between A.D. 600 and 1453.  Topics include Greek literature, history, and culture.