"Station: Concord, NE". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991-2020). National Oceanic and Atmospheric Administration. Retrieved October 18, 2021.
unl.edu
casde.unl.edu
"Concord, Dixon County". Center for Advanced Land Management Information Technologies. University of Nebraska. Retrieved August 4, 2014.