Vladimir Galatsky , 1929, "Silence",1975, Pen and ink, on paper. 70 x 50 cm. Illustrated catalog of the exhibit "La peinture russe contemporaine", Palais des Congres. Paris, 1976. Page 61.  Illustrated in the book by Alexander Glezer published by "Third Wave Publishers, 1993. "Contemporary Russian art", page 102.