Confirmation of the Disaster - New York Times article about the battle. - http://query.nytimes.com/mem/archive-free/pdf?res=9B02E3DC143FE23BBC4F53DFB166838D669FDE
Friends of the Little Bighorn Battlefield - To raise funds to aid and directly promote management programs and objectives of the Little Bighorn Battlefield National Monument. - http://www.friendslittlebighorn.com
Custer Battlefield Historical and Museum Association - Dedicated to the study of the Battle of Little Big Horn and the general who was defeated there, includes reference material and links. - http://www.cbhma.org/
Little Big Horn Associates - Offers information on the battle, the Army and Native American participants, and the Indian Wars in the Plains. - http://www.lbha.org/