https://www.watkinsmuseum.org/]]> https://archive.org/details/radke-bill-wwii-interview]]> https://www.legacy.com/obituaries/kansascity/obituary.aspx?n=william-p-radtke-bill&pid=186445575&fhid=24990]]> https://www.kansasmemory.org/item/211748]]> https://www.loc.gov/vets/vets-home.htm]]>