from the archives
Father John O'Neill Had much to do with the preparation of the Congress .
I was able to find a few articles speaking of his involvement at this link
Cardinal McGuigan To Be Papal Legate
Stories from the Citizen at the link below
The Evening Citizen, Ottawa, Canada, Monday, June 16, 1947
The Evening Citizen, Ottawa, Canada, Wednesday, June 18, 1947
The Evening Citizen Ottawa Canada Thursday June 19
The Evening Citizen, Ottawa, Canada, Friday, June 20, 1947
The Evening Citizen, Ottawa, Canada, Saturday, June 21, 1947
The Evening Citizen, Ottawa, Canada, Monday, June 23, 1947
Opening of Canada's Marian Congress
Nine Cardinals And 200,000 Pilgrims At Opening Of Canada's Marian Congress
for more information click here
Pope Pius XII Radios Message of Hope to Marian Meet
Holy Father says Consecration of Canada to Mary was crowning event of Great International Meeting
http://cnp.stparchive.com/Archive/CNP/CNP06271947p01.php
The Ottawa Journal, March 13, 1947 ( What the Repository will be like)
The Ottawa Journal, June 18 1947, page 10
Ottawa Journal June 19 1947 Page 9
The Ottawa Journal, 20 June 1947, Page 11
From the Observor, June 22, 1947 the Official Newspaper of the Rockford Diocese
Marian Congress dedicated to Peace of the World opens with Solemn Rites at Ottawa
http://obs.stparchive.com/Archive/OBS/OBS06221947p01.php
From the Sunday Visitor June 29, 1946
Life Magazine Starting on page 25