"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MLR6-Q1R : 29 October 2015), Dirk Yager in household of Harve Yager, Reeder, Missaukee, Michigan, United States; citing enumeration district (ED) ED 139, sheet 15A, NARA microfilm publication T624 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,374,678.