Ioannis XXIII Pont. Max. Mater et magistra
Subtitle: litterae encyclicae de recentioribus rerum socialium processibus ad Christiana praecepta componendis.
Contributors: John XXIII, Pope, 1881-1963.
Publisher: UCID
Published: 1962
Place of publication: Romae
Language: lat
Number of pages: 720
Subjects: Church and social problems -- Catholic Church.
Other titles: Mater et magistra.
Notes: Includes bibliographical references.
Latin, English, French, German, Italian, and Spanish.