"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MSWR-D6S : accessed 11 April 2018), Lettia A Hendee in household of Euclid Hendee, Avon Township Grays Lake village, Lake, Illinois, United States; citing enumeration district (ED) 128, sheet 8B, family 179, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,314.