"Dakota Resources: The Written Legacy of Robert F. Karolevitz" https://www.sdhspress.com/journal/south-dakota-history-36-1/dakota-resources-the-written-legacy-of-robert-f-karolevitzhttps://www.sdhspress.com/@@site-logo/sdshp-logo.jpg
"Dakota Resources: The Written Legacy of Robert F. Karolevitz"