Truth, unity and peace
Subtitle: encyclical letter of Pope John XXIII
By: translated by the Rev.H.E.Winstone, from the Latin text as published in "L'Osservatore Romano," 3rd July, 1959.
Publisher: C.T.S.
Published: 1959
Place of publication: London
Language: eng
Number of pages: 40
Work titles: Ad Petri Cathedram.