Ancestry Library Edition (Access through DoD MWR Digital Library*): Provides access to records from the United States Census, military records, court, land, and probate records. church records, and more.
Fold3 World War II Archives (Access through DoD MWR Digital Library*): Includes Naval Press Clippings, Pearl Harbor Muster Rolls, photographs of Japanese soldiers, Allied prisoners of war, and US Army Air Forces, and more.
The National Archives not only maintains census, immigration/naturalization, and military service records, but also offers workshops, online guides, and more. To get started, please visit: https://www.archives.gov/research/genealogy
Another guide to government-related documents can be found here: https://www.usa.gov/genealogy
The Kansas State Library* and Kansas State Historical Society has collections of Kansas-related indexes and records. Other resources can be found through digitized Kansas State Government Publications.
The State of Missouri also has genealogy-related records through its State Archives, State Library, and Missouri Digital Heritage websites.
Interested in preserving personal documents? Here are tips from the Library of Congress and the American Library Association on taking care of physical and digital items.
*To apply for a Kansas Library Card, please visit the CARL Circulation Desk.