អូហៃអូ, សង្គ្រាមលោកលើកទី I, ប័ណ្ណចុះឈ្មោះចូលរៀន, ឆ្នាំ 1914-1920

"Ohio, World War I, Enrollment Cards, 1914-1920." Database. FamilySearch. https://FamilySearch.org : 22 December 2025. Ohio State Archives, Columbus.