"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MSWR-4TY : accessed 9 April 2018), George E Hendee, Avon Township Grays Lake village, Lake, Illinois, United States; citing enumeration district (ED) 128, sheet 15B, family 332, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,314.