K.A. Janssen, Menschenbilder.
Janssen, K. A.
Fiedler-Bender, Gisela.
Leibenguth, Rolf.
Kaiser Wilhelm Museum Krefeld.
[Krefeld] : Kaiser Wilhelm Museum der Stadt Krefeld,
c1980.
To accompany an exhibition held in Kaiser Wilhelm Museum Krefeld, from 20th January to 9th March 1998.
Preface by Gisela Fiedler-Bender ; text by Rolf Leibenguth.