As of July 1, 2022, the Jasper County Genealogical Society's library is now closed for the mornings. It will re-open in mid-August at 315 W 3rd St. N Ste 400. Hours are Thursdays and Fridays 10 AM - 12 PM and 1 PM - 3 PM. There is a charge of $12.50 for research, that includes the cost of copies and postage. For any other questions please call 641-792-1522.
Some other resources to try:
Des Moines Genealogical Society (515)-276-0287
State Historical Society of Iowa (515)-281-6200
Iowa Department of Cultural Affairs, Library Archives Bureau & State Historical Museum