Catholic Church. (1954). Ceremony of consecration of His Excellency the Most Reverend Clarence G. Issenmann, S.T.D., titular Bishop of Phytea and auxiliary to the Archbishop of Cincinnati, Saint Monica's Cathedral, Cincinnati, Ohio, Tuesday, May twenty-fifth, nineteen hundred and fifty-four. s.n..

Catholic Church. Ceremony of Consecration of His Excellency the Most Reverend Clarence G. Issenmann, S.T.D., Titular Bishop of Phytea and Auxiliary to the Archbishop of Cincinnati, Saint Monica's Cathedral, Cincinnati, Ohio, Tuesday, May Twenty-fifth, Nineteen Hundred and Fifty-four. [Ohio: s.n., 1954.

Catholic Church. Ceremony of Consecration of His Excellency the Most Reverend Clarence G. Issenmann, S.T.D., Titular Bishop of Phytea and Auxiliary to the Archbishop of Cincinnati, Saint Monica's Cathedral, Cincinnati, Ohio, Tuesday, May Twenty-fifth, Nineteen Hundred and Fifty-four. s.n., 1954.