16th Century
Greene, Robert, Heywood, John, Munday, Anthony, Peele, George, Tasso, Torquato, Vicente, Gil, Gorboduc
17th Century
Beaumont, Francis, Brome, Richard, Calder+¦n de la Barca, Pedro, Chapman, George, Corneille, Pierre, Davenant, William, Dekker, Thomas, Dryden, John, Fletcher, John, Ford, John
18th Century
Beaumarchais, Pierre Augustin Caron de, Farquhar, George, Goldoni, Carlo, Goldsmith, Oliver, Gozzi, Carlo, Lessing, Gotthold Ephraim, Metastasio, Pietro, Sheridan, Richard Brinsley, 18th Century Theatre Database, Drama in the Eighteenth Century, Eighteenth-Century Chronology, Enlightenment, Poems by 18th Century Dramatists, Romantic Chronology, The Dramatic Works of Catherine II, The First American Theatre
19th Century
Boucicault, Dion, Dumas, Alexander, Echegaray, Jose, Fawcett, Edgar, Jarry, Alfred, Jones, Henry Arthur, Ostrovsky, Alexander, Pinero, Arthur Wing, Rostand, Edmond, Schnitzler, Arthur
20th Century
Albee, Edward, Anderson, Maxwell, Churchill, Caryl, Durang, Christopher, Foote, Horton, Frayn, Michael, Fugard, Athol, Genet, Jean, Giraudoux, Jean, Gorky, Maxim
Ancient Greek
Aeschylus, Aristophanes, Crates, Euripides, Menander, Sophocles, Ancient Drama, Aristotle, Classic Technique, and Greek Drama, Greek Dramatic Criticism, Greek Theatre Index, Poems by Greek Dramatists, Project Perseus: Texts and Translations, Ridgeway's Theory of the Origin of Tragedy, Solar Myths, Tree Spirits, and Totems, Temple University: Greek Drama and Culture
Ancient Roman
Afer, Publius Terentius, Plautus, Titus Maccius, Seneca, Lucius Annaeus, Didaskalia: Ancient Theater Today, Downfall of the Classical Drama, Roman Theatre Index
Contemporary
Children's, Collections, Non-royalty, On-line Scripts, Playwrights, Authors of pantomime scripts and plays, BOX 27, Chauvin and Olympias, two dramas, Dramatix, Journal of American Drama and Theatre, Naked Theatre, Original Plays by Bradley Hayward, Plays by R.L. Nesvet, Playwrights and their Plays, Playwrights on the Web
Elizabethan
16th Century Theatre Database, Ancient Rome and English Renaissance Theatre, Biographical Index of English Drama Before 1660, British Graduate Shakespeare Conference, Condemnation of Elizabethan Theater, Elizabethan Era Historical Lecture, Elizabethan Playhouses, Actors, and Audiences, London's disreputable South Bank, Philip Henslowe (c.1550-1616), Pilgrimage and the Early Modern Stage
Medieval
Specific Works, Bibliography of Cornish Medieval Drama, Drama of the Middle Ages, French Medieval Drama Database Project, Medieval Church Plays, Medieval Drama Links, Medieval European Drama in Translation, Medieval Theatre Index, Minstrels and Jongleurs, Moralities and Mysteries, Moralities, Interludes and Farces of the Middle Ag
Renaissance
Moli+¿re, German Drama in the Sixteenth Century, Italian Dramatic Criticism of the Renaissance, PLS - Poculi Ludique Societas
Archive of Performances of Greek and Roman Drama
An Oxford project working towards the establishment of the international history of ancient drama in performance. Provides details on the project, events, and publications, as well as images and related links.
Fertile Visions
Discussion of Jacobean Revels and the Erotics of Occasion.
Greek and Roman Comedy
A history of the comic drama, focusing on its origins and development in the works of Aristophanes, Menander, Plautus and Terence.
Modern Drama by Women 1880s-1930s
Review of an International Anthology. Has a good "background" section.