Middle Ages

Longobardo (Lombard) Italy before Charlemagne
NetSERF
Medieval Sourcebook
Medieval.net
Teacher Oz's
learner.org
Weid's listing
DScriptorium - Medieval Manuscripts
Books of Hours
Labyrinth
Essays in Medieval Studies
Bulfinch's Mythology - Charlemagne
Bulfinch's Mythology - King Arthur
Medieval Manuscripts in Facsimile

Boccaccio - Decameron

Art and Architecture
Medieval Architecture
Gothic Architecture (Catholic Encyclopedia)
Internet Public Library

Music
Medieval Music Glossary
Internet Public Library
John Dunstable and His Time
Early Polyphony
Medieval Music
SheetMusicDigital.com
Ars Antica (Encyclopaedia Britannica)
Florid Organum (Wikipedia)
Florid Organum (Music History Resources)
Isorhythm
Hocket (Encyclopaedia Britannica)
Hocket (Wikipedia)

Literature/illumination
Utrecht Psalter
Late Antique and Medieval Manuscripts
Illuminated manuscripts listing

Black Death
    reaction directed toward Jews
    Weid's World
    Plague and Public Health in Renaissance Europe

Food
Commentary on Medieval-Themed Restaurants
Medieval and Anglo Saxon Recipes
Gode Cookery
Medieval European Recipes
Medieval Feasts
Recipe Center

Crusades
E.L. Skip Knox

Feudalism
Gesta Francorum

Early Middle Ages

Maps
Early Medieval Maps
Late Medieval Maps

Essential Norman Conquest

William the Conqueror
Useless Information

Battle of Hastings
Invasion of England

Bayeux Tapestry
The Bayeux Tapestry (Northern Tapestries.com)

Charles the Great (Charlemagne)
Charlemagne Information and Links
The Historical Charlemagne
Reportret
Yahoo listing

Song of Roland
Text

Hrotsvit
Ohio Wesleyan

Peter Abelard
Catholic Encyclopedia

Late Middle Ages

Thomas Aquinas
Christian Classics Ethereal Library

Dante
Renaissance Dante in Print

Geoffrey Chaucer
Biography.com
infoplease

Notre Dame
Anthony's Home Page

Chartre
Great Buildings

Stained glass (Catholic Encyclopedia)

Gargoyles
Stonecarver

Courtly Love
Chivalry and Courtly Love
About.com
Brown University

Music
InkPot
Medieval Music Links
Machaut Society
Machaut and the Ars Nova
Machaut (classical.net)
Courtly Love (Machaut)
John Wulff (Machaut)
Ars Nova

Theater
Medieval Theatre Index
University of Virginia (mystery/morality)
Infoplease (mystery/miracle)
The Morality Play in English Drama
   Everyman - Luminarium

The Printing Press