Source: Jackson, Ron V., Accelerated Indexing Systems, comp., Arkansas Census, 1819-70 (Online publication - Provo, UT, USA: The Generations Network, Inc., 1999.Original data - Compiled and digitized by Mr. Jackson and AIS from microfilmed schedules of the U.S. Federal Decennial Census, territorial/state censuses, and/or census substitutes.Or) (S215)