BLACK INTEREST. Z'AH CHYLNI NEEGERLI [TEN LITTLE COLORED BOYS]. Zurich: Neue Bucher A.G. Verlagsbuchhandlung, no date, circa 1945. Oblong 4to (9 x 8"), pictorial boards, near Fine. The text of this version is in Swiss-German, a dialect of German spoken in the northern parts of Switzerland that border Germany. Attached to the top of every page is a cardboard cut-out head in color of a little Black boy, so that as each page is turned, the number decreases according to the text of the counting rhyme. Illustrated with 8 full page rich color illustrations by an unknown hand.