"Norwegians on the Prairie: The Yankton County Memoir of Albert H. Hagen"https://www.sdshspress.com/journal/south-dakota-history-40-1/norwegians-on-the-prairie-the-yankton-county-memoir-of-albert-h-hagenhttps://www.sdshspress.com/@@site-logo/sdshp-logo.jpg
"Norwegians on the Prairie: The Yankton County Memoir of Albert H. Hagen"