» Click2Disasters: The Great Fire    With hundreds of primary sources, relates how the great Chicago fire of 1871 raged while deadly fires also burned in Peshtigo, Wisconsin and central Michigan.    http://www.click2disasters.com/great_fire/great_fire_ch1.htm

» Did The Cow Do It?    Investigates the cause of the Great Chicago Fire, formerly blamed on a cow thought to have kicked over a lantern in Mrs. O'Leary's barn.    http://www.thechicagofire.com/

» The Great Chicago Fire    A bird's-eye view of pre-fire Chicago describes Chicago up to the eve of the fire; section entitled "The Great Conflagration" examines the calamity itself.    http://www.chicagohs.org/fire/intro/gcf-index.html

» The Great Chicago Fire and the Web of Memory    Photographs and sketches, essays and eyewitness accounts of the October 9, 1871 fire that killed over 300 persons and destroyed much of the city.    http://www.chicagohs.org/fire/index.html