Rik Wouters, La vie de Rik Wouters a travers son oeuvre par Nel Wouters, Bruxelles 1944; Roger Avermaete, Rik Wouters, Brussel 1962; various catalogues on Rik Wouters; catalogues and art books on Frits van de Berghe; and catalogues and art books on Edgard Tytgat, among them Cahiers de Belgique, Mars 1931, no. 3 (25)