They’re Biting 1920 by Paul Klee 1879-1940

They're Biting 1920 by Paul Klee 1879-1940

They’re Biting 1920 by Paul Klee 1879-1940

They’re Biting 1920 Paul Klee 1879-1940 Purchased 1946 http://www.tate.org.uk/art/work/N05658