Encyclical letter (Summi pontificatus) of Pope Pius XII, Pope, to his venerable brethren the patriarchs, primates, archbishops, bishops and other ordinaries in peace and communion with the Apostolic See.
Contributors: Catholic Truth Society.
Publisher: Catholic Truth Society
Published: 1954
Place of publication: London
Language: eng
Number of pages: 46
Other titles: Darkness over the earth.
Work titles: Summi pontificatus.
Notes: Cover title: Darkness over the earth.