"United States World War I Draft Registration Cards, 1917-1918," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/KZJB-KNN : accessed 26 Jun 2014), Jacob De Young, 1917-1918; citing Passaic County no 2, New Jersey, United States, NARA microfilm publication M1509, (Washington D.C.: National Archives and Records Administration, n.d); FHL microfilm 1754428.