Great Falls, Mont. (Diocese). Bishop, 1930-1939 (Edwin Vincent O'Hara), & O'Hara, E. V. (1937). Pastoral letter announcing the first Eucharistic congress of the diocese of Great Falls to be held May 9 and 10, 1938: Memorandum of the preparatory program to be conducted in each parish of the diocese.. [s.n.].

Great Falls, Mont. (Diocese). Bishop, 1930-1939 (Edwin Vincent O'Hara), and Edwin V. O'Hara. Pastoral Letter Announcing the First Eucharistic Congress of the Diocese of Great Falls to Be Held May 9 and 10, 1938: Memorandum of the Preparatory Program to Be Conducted in Each Parish of the Diocese.. [S.l.]: [s.n.], 1937.

Great Falls, Mont. (Diocese). Bishop, 1930-1939 (Edwin Vincent O'Hara), and Edwin V. O'Hara. Pastoral Letter Announcing the First Eucharistic Congress of the Diocese of Great Falls to Be Held May 9 and 10, 1938: Memorandum of the Preparatory Program to Be Conducted in Each Parish of the Diocese.. [s.n.], 1937.