
Naum Gabo (1937) "Editorial", p. 9
1936 - 1977, Circle: International Survey of Constructive Art, 1937
Naum Gabo (1937) "Editorial", p. 9
1936 - 1977, Circle: International Survey of Constructive Art, 1937
On whether an artist should paint about injustices in “Interview With Fernando Botero” https://www.huffpost.com/entry/interview-with-fernando-botero_b_6795782 in HuffPost (2017 Dec 6)
Poetry and the World, Ecco Press,1988
Quote from Werefkin's lecture in 1914; as quoted in M. K. ČIURLIONIS AND MARIANNE VON WEREFKIN: THEIR PATHS AND WATERSHEDS, by Laima Lauckaité; Institute of Culture, Philosophy and Art, Vilnius
Werefkin gave her lecture during a regular Art Society meeting, 22 March 1914
after 1911
Max Beckmann's opinion on this issue you find in: 'Quotes About Franz Marc', below
Source: 1915 - 1916, 100 Aphorisms', Franz Marc (1915), p. 445-446