↑ 2.02.1 "United States World War I Draft Registration Cards, 1917-1918," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/K8QV-K3S : accessed 07 Jan 2014), Ralph Ernest Van Camp, 1917-1918; citing Silver Bow County, Montana, United States, NARA microfilm publication M1509, (Washington D.C.: National Archives and Records Administration, n.d); FHL microfilm 1711444.
"Montana, County Marriages, 1865-1950," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/F3ST-256 : accessed 07 Jan 2014), Ralph E. Vancamp and Marguerite E. Rooney and , 1913.
Father's Name: Alva Vancamp, Mother's Name: Mary G. Darling