Federal Land Records - Logan County compiled from the Bureau of Land Management land records and includes Homestead and Cash Entry Patents before 1908
Logan County, Arkansas Genweb Project a collection of online resources for genealogy researchers
Logan County, AR Genealogy Forum read and post messages about your ancestors for this county
The Tombstone Transcription Project - cemeteries for Logan Co. Arkansas
US GenWeb Archives for Logan County cemeteries, newspapers, wills, military rosters etc recorded online
World War II Honor List of Dead and Missing Personnel, Logan County

Additional Resources

Arkansas Obituary Search enter your Arkansas ancestor's name to search the world's largest newspaper archive; over 3 Billion newspaper articles
Arkansas Birth Records
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Arkansas Death Records