"United States Census, 1860," index, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MW9W-M64 : accessed 9 January 2015), Ide Van Vliet, Township Milwaukee, Milwaukee, Wisconsin, United States; from "1860 U.S. Federal Census - Population," Fold3.com; citing p. 71, household ID 510, NARA microfilm publication M653, National Archives and Records Administration, Washington, D.C.; FHL microfilm 805,420.