Looking into Bertha Palmer is a good idea, Charles Hutchinson also. I know they both sponsored artists, which may have included living arrangements. My first thought is , if they were wealthy, they would not be in a 'colony' situation but something a little more refined.
"Art of Today, Chicago 1933" by J.Z. Jacobson is a great book, if you haven't seen it. No specifics of locales but i
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