UNL – Harrison and Siuox County History
Link: http://www.casde.unl.edu/history/counties/sioux/harrison/
USGen Web Project
Link: http://www.usgennet.org/usa/ne/county/sioux/history2.html
Nebraska Historic Building Survey
Link: http://www.nebraskahistory.org/histpres/reports/SiouxCounty.pdf