The series includes correspondence pertaining to DuBay's progressive and controversial voice within the Roman Catholic church; his outspoken criticism of his superior, Cardinal James Francis McIntyre, in 1964; the publication of his book, The Human Church, in 1966; his suspension from the priesthood in 1966 and his subsqeuent request for an ecclesiastical trial; and his ongoing efforts to establish a worker's union for priests. Included are telegrams, letters, cards, and postcards addressed to DuBay from both his parishioners and members of the general public; letters exchanged between DuBay and the Vatican regarding his suspension and his request for a trial; and press releases related to his case. Items in the series are arranged chronologically.