"Friederich Weygold and the Last Portrait of Red Cloud"https://www.sdhspress.com/journal/south-dakota-history-11-3/friederich-weygold-and-the-last-portrait-of-red-cloudhttps://www.sdhspress.com/@@site-logo/sdshp-logo.jpg
"Friederich Weygold and the Last Portrait of Red Cloud"