"Modern Artists Show work at Provincetown: Paintings of Karl Knaths, Demuth, the Zorachs and Others Art Hung at the Summer Show of This Seaside Colony." The New York Times, July 10, 1927, X9.
Judith Kaye Reed. "Fifty-seventh Street in Review: Tworkov at Egan." Art Digest (November 1), p. 27.
Lawrence Campbell. "Reviews and Previews: Jack Tworkov (Charles Egan Gallery)." Art News (March), p. 44.
Porter, Fairfield. "Tworkov Paints a Picture." Art News (May 1953).