N. Vysheslavtsev :: Nude from behind, 1923. Ink on paper. Signed and dated: “To dear Aleksei Sidorov, N. N. Vysheslavtsev, 1923”. GTG: Gosudarstvennaia Tret’iakovskaia galereia, State Tretiakov Gallery (formerly in the collection of Aleksei Sidorov). | src Nicoletta Misler’s The Russian Art of Movement 1920-1930
John Everard :: Nude, from “Adam’s Fifth Rib”. A Collection of Photographic Studies of the Nude by John Everard. Vandyke gravure, ca. 1935. | src liveauctioneers
John Everard :: Nude from Adam’s Fifth Rib. A Collection of Photographic Studies of the Nude by John Everard, Chapman and Hall Ltd., London, 1935. | src dyndns.org