Iowa, Fivondronan' i Black Hawk, Waterloo, Fisy fanomezan-toky tamin' ny Ady Lehibe I, 1917-1918
Ireo loharano nisy ny angom-piraketana
Iowa, Black Hawk County, Waterloo, World War I Pledge Cards, 1917-1918. Database. FamilySearch. https://FamilySearch.org : 28 November 2025. Black Hawk County Memorial Hall Commission, Iowa.