"United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M9LV-CTC : accessed 13 Feb 2014), Lucas Brunsting in household of Jonas Brunsting, Lincoln Township Hull town, Sioux, Iowa, United States; citing sheet , family 79, NARA microfilm publication T623, FHL microfilm 1240459.