"United States Census, 1900," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/M9SY-KNS : accessed 13 Jan 2014), Eva Wuethrich, Helen Township Plato village, McLeod, Minnesota, United States; citing sheet , family 5, NARA microfilm publication T623, FHL microfilm 1240774.