Maria Jawlensky, Lucia Pieroni-Jawlensky, Angelica Jawlensky, Alexej Jawlensky. Catalogue Raisonné of the Oil Paintings, vol. II (1914-1933), Munich 1992, p. 489, no. 1435 (fig. of front and rear) Clemens Weiler, Alexej Jawlensky, Cologne 1959, cat. no. 379 (titled "Konstruktiver Kopf", fig., p. 254). Stuttgarter Kunstkabinett Roman Norbert Ketterer, Stuttgart, 34th auction, Moderne Kunst, November 20/21, 1959, lot 302 (titled "Konstruktiver Kopf", fig., plate 117, with a fragmentarily preserved label and with inscriptions on the reverse). Kunsthaus Lempertz, Cologne, 499th auction, Kunst des XX. Jahrhunderts, May 30, 1968, lot 354 (fig., plate 3). Galerie Wolfgang Ketterer, Munich, 3rd auction, Moderne Kunst, June 8 - 10, 1970, lot 624 (fig., p. 137). Maria Jawlensky, Lucia Pieroni-Jawlensky u. Angelica Jawlensky, Alexej von Jawlensky. Catalogue Raisonné of the Oil Paintings, London 1992, vol. II, cat. no. 1435, pp. 489f. (fig., p. 489).