https://www.watkinsmuseum.org/]]> https://archive.org/details/steffen-richard-wwii-interview]]> https://obituaries.ljworld.com/obituaries/ljworld/obituary.aspx?n=richard-steffen&pid=187019633&fhid=24990]]> https://www.kansasmemory.org/item/218576]]> https://www.loc.gov/vets/vets-home.htm]]>