Liddell & Scott, A Greek-English Lexicon (via Perseus Digital Library) For more information see A Quick Guide to the Perseus Digital Library (Harvard).
Lexicon: Abridged from Liddell & Scott's Greek-English Lexicon (print)
Liddell & Scott, An Intermediate Greek-English Lexicon (via Perseus Digital Library)
Lexilogos is a comprehensive set of resources for the study of the languages of the world. It offers a Greek keyboard and more to assist in translating Greek symbols.
NTC's New College Greek and English Dictionary (print)
Sourcebook on Rhetoric Key Concepts in Contemporary Rhetorical Studies/James Jasinski
The Oxford Classical Dictionary (print)
Encyclopedia of Rhetoric
Encyclopedia of Rhetoric and Composition: Communication from Ancient Times to the Information Age
Encyclopedia of Ancient History
Encyclopedia of Communication Theory
Who's Who in the Greek World
Who's Who in the Roman World, 753 BC - AD 476
AWOL (The Ancient World Online) A blog which focuses on open access material relating to the ancient world, from the beginning of human habitation to the early Islamic period.
Electronic Resources for Classicists (Web portal)
Voice of the Shuttle (Humanities research database)
Report ADA Problems with Library Services and Resources