His Gesammelte gedichte, c1927.

Provoziertes Leben, c1993: t.p. (Gottfried Benn) p. 453, etc. (b. 5-2-1886 in Mansfeld; d. 7-7-1956 in Berlin; physician; poet)

Der Geblendete, 1992: p. facing t.p. (Gottfried Benn; Berlin doctor and German poet)

Wikipedia, Jun. 19, 2013: (Gottfried Benn; German essayist, novelist, and expressionist poet)