http://smarthistory.khanacademy.org/medieval.html 
Annenberg Learner's Middle Ages site
BBC History's Middle Ages
http://www.medieval-life.net/ 
http://www.lordsandladies.org/ 
Religious Orders of the Middle Ages
Life in medieval towns
Medieval jobs
Life in a medieval castle
Medieval Realms from the British Library
http://www.learn.columbia.edu/ma/htm/ma_home.htm
http://www.domesdaybook.co.uk/life.html
http://deremilitari.org/primary-sources/#em
World Digital Library
http://users.trytel.com/~tristan/towns/towns.html#links

FEMINAE: Medieval Women & Gender Index
NETSERF: The Internet Collection for Medieval Resources
THE MEDICI ARCHIVE PROJECT
THE WORLD OF DANTE
WORLD SHAKESPEARE BIBLIOGRAPHY ONLINE
HISTORICAL TEXT ARCHIVE
HISTORICAL TEXT ARCHIVE: Renaissance Links
THE MEDIEVAL PAGE: Sources for Medieval Studies on the WWW
THE CAMELOT PROJECT
FORDHAM UNIVERSITY’S INTERNET MEDIEVAL SOURCEBOOK
INTERNATIONAL CENTER OF MEDIEVAL ART
THE MEDIEVAL ACADEMY OF AMERICA
THE RENAISSANCE SOCIETY OF AMERICA’S ONLINE RESOURCES
THE LABRYINTH: Georgetown’s Resources for Medieval Studies
ART HISTORY RESOURCES
LUMINARIUM
EPISTOLAE: Medieval Women’s Letters
DIGITAL SCRIPTORUM
LEONARDO DA VINCI: The Complete Works
KHAN ACADEMY’S INTRODUCTION TO THE PROTESTANT REFORMATION
MICHELANGELO: The Complete Works
RAPHAEL: The Complete Works
DONATELLO on ARTBLE
THE FOLGER SHAKESPEARE LIBRARY
BBC’S MARY QUEEN OF SCOTS SITE
BBC’S CATHERINE OF ARAGON SITE
SHAKESPEARE-ONLINE’S GLOBE THEATRE SITE
LORDS AND LADIES
PBS’S MARTIN LUTHER SITE
FORDHAM UNIVERSITY’S INTERNET MEDIEVAL SOURCEBOOK
VIKING SWORD
MEDIEVAL ENGLISH TOWNS
SIXTH TO FIFTEENTH CENTURIES
CALVIN 500
ALBRECHT DURER: The Complete Works
THE CENTER FOR THOMAS MORE STUDIES
http://crusades.wikia.com/wiki/Main_Page
Eyewitness to History's Crusades
https://blogs.commons.georgetown.edu/labyrinth/categories/crusades/
http://www.historylearningsite.co.uk/the_crusades.htm
http://www.metmuseum.org/search-results?ft=the+crusades&x=0&y=0
http://deremilitari.org/primary-sources/#em