Cardijn with his school companions.

Cardijn with other seminarians or students and professors, probably at Louvain.

Invitation to memorial service and talk by Cardijn to commemorate Gabrielle Petit, the young woman executed by the German occupying forces for spying.

Cardijn and the Centre Chrétien du Travail (Christian Labour Centre) purchased Le Bon Pain Bruxellois Coopérative and its building in 1919.