Arkansas
Arkansas 1920 Soundex
Steve's 1910 AR Census
Arkansas 1900 Soundex
Arkansas 1870 Index
Steve's 1860 AR Census

Other States
North Carolina
Sharon Pace's Census Records Collection
Includes KY, IL, MO, NC & TN for the years 1790-1880
Steve's Census Collection
Includes 1920 & 1910 Soundex for TX; most of 1850 census!
Tennessee