Subject is exactly Rerum Novarum
Returning from the Americas in 1946, Cardijn stopped in the UK where he made a flying tour of several industrial centres.
Cardijn recalls his meetings with and pays tribute to Pope John XXIII following his death.
Notes prepared by Cardijn for Pope John XXIII to assist in the drafting of an encyclical for the 70th anniversary of Rerum Novarum, which became Mater et Magistra.
Notes from a series of talks given by Cardijn to the Jeune Garde group of young men at Notre Dame parish, Laeken.