Allan Henry Hoover (U.S. National Park Service)

The Arizona piece of WWII history you never knew existed: It's hidden in plain sight

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American Airlines Flight 191: Faces of the victims from the May 25, 1979 plane crash north of O'Hare airport – Chicago Tribune

Allan Henry Hoover (U.S. National Park Service)

Herbert Hoover Family Tree

People - Herbert Hoover National Historic Site (U.S. National Park Service)

Hoover Gravesite Historical Marker

The Life and Presidency Herbert Hoover - White House Historical Association

Allan Henry Hoover Jr. (1938-2013) - Mémorial Find a Grave

Former KOSU news director Don Hoover to be honored with scholarship program

Allan Hoover - Wikipedia

Allan Henry Hoover (U.S. National Park Service)