"United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M3CR-38W : accessed 29 Sep 2012), Edmund G Haer in household of Emmet B Haer, ED 91 Lincoln Township Coming town, Holt, Missouri, United States; citing sheet 1A, family 6, NARA microfilm publication T623, FHL microfilm 1240859.