Leo PolakLeo Polak, Jeroen Bartels, J. C. H. Blom, Homme Wedman · First published 1946 · Latest edition 2001Open the Tome
Omnibus complottenLeo Polak, Andre Kessler, Marco van Kerkckhoven, Salva de Nooijer, Emmie Declerck, Ruben Mantels, Els Boone · First published 2011Open the Tome
