"United States Census, 1920," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MX2W-72C : accessed 17 May 2014), Katherine Stembury in household of George Van Dyke, Sheridan, Arapahoe, Colorado, United States; citing sheet 4A, family 47, NARA microfilm publication T625, FHL microfilm 1820155.