PBS
Pbs: American Experience: John Brown's Holy War: Pottawatomie Massacre
PBS provides information on John Brown's involvement in the Pottawatomie Massacre and the reasons behind the massacre.
PBS
Africans in America: John Brown
PBS Online provides a brief biography of John Brown and the way his life affected the abolitionist movement and contributed to the start of the U.S. Civil War.
Other
Kansas Cyclopedia of State History: Pottawatomie Massacre
Describes the Pottawatomie Massacre which was John Brown's plan to drive the pro-slavers out of the area. From a 1912 encyclopedia.
Civil War Home
Home of the American Civil War: John Brown
This website details the life of John Brown, the abolitionist, including his attack at Pottawatomie and the raid at Harpers Ferry. Information is from Historical Times Encyclopedia of the Civil War.