Arkansas Civil War Sesquicentennial Commission - http://www.arkansascivilwar150.com/
Research
Encyclopedia of Arkansas: http://encyclopediaofarkansas.net/
Arkansas unit histories: http://www.couchgenweb.com/civilwar/
Civil War Soldier and Sailor Records: http://www.itd.nps.gov/cwss/
Information on U.S. Colored Troops in Arkansas: http://arkansasfreedmen.com/
Freedmen's Bureau Records - Arkansas: http://freedmensbureau.com/arkansas/
Civil War articles printed in the Arkansas Historical Quarterly:
http://www.uark.edu/depts/arkhist/home/ahq/
Confederate Women of Arkansas Memorial Reminiscences: http://victorian.fortunecity.com/
Civil War in Arkansas Sites and Stories: http://www.civilwarbuff.org/
The Civil War in Arkansas Message Board: http://history-sites.com/
Archives
Community & Conflict: The Impact of the Civil War in the Ozarks: http://www.ozarkscivilwar.org/
Arkansas History Commission: http://www.arkansascivilwar.com/
Special Collections at the University of Arkansas, Fayetteville: http://libinfo.uark.edu/specialcollections/
University of Arkansas at Little Rock, Center for Arkansas History and Culture: http://www.ualr.edu/cahc/
Sites
Arkansas's Civil War state parks: http://www.historystateparks.com/civil-war/
Arkansas Civil War sites: http://www.arkansas.com/things-to-do/history-heritage/civil_war.aspx
Prairie Grove Battlefield State Park: http://www.arkansasstateparks.com/prairiegrovebattlefield/
Pea Ridge National Military Park: http://www.nps.gov/peri
Arkansas's Civil War Campaign Trails: http://arkansasheritagetrails.com/Civil-War/
Arkansas Civil War Heritage Trails: http://arkansascivilwar.wordpress.com/