I wasn't aware that this is a legal proceeding but....
Mc Nutt is a primary source as he is Papal Chamberlain to Pius X....
See also Steed -- Hapsburg Monarchy, Don Ricossa--Card Rampolla, Kertzer-- Prisoner Of The Vatican & Popes Against The Jєωs, Graham-- Vatican Diplomacy, Morgan-- Vatican Listening Post, Sforza-- Makers Of Modern Europe, Dal_Dal-- Merry Del Val Bio, Quinn-- Give Me Souls, McAvoy-- Great Crisis In American Catholic History, O'Connell-- Vatican & Americanist Crisis, Premoli-- Contemporary Church History, Fury-- Bio Pope Leo XIII, etc...
:cheers: