De zwarte hoeden en 3 verdere avonturen van Robbedoes en Kwabbernoot

by Jije is Joseph Gillain, 1914-1980, Franquin, André 1924-1997
Published 1975

Radar de robot

by Franquin, André 1924-1997, Gillain, Joseph Jean-Pierre 1914-1980, Jije is Joseph Gillain, 1914-1980
Published 1976