An Australian site Richmal Crompton and William has some interesting background material, including a list of Crompton's other publications.

St. Elphin's School lists Richmal Crompton amongst its distinguished former pupils. This site includes some material she wrote for the school magazine.

The University of Paisley has on its site some prize-winning essays, one of which - "William: a muddy-faced boy" - gives an entertaining account by Isla Strang of why William Brown is her hero.