Gibbons, J. (1920). Pastoral letter of the archbishops and bishops of the United States assembled in conference at the Catholic University of America, September, 1919. Washington, D. C..
Dyfyniad Arddull ChicagoGibbons, James. Pastoral Letter of the Archbishops and Bishops of the United States Assembled in Conference at the Catholic University of America, September, 1919. Washington, D. C., 1920.
Dyfyniad MLAGibbons, James. Pastoral Letter of the Archbishops and Bishops of the United States Assembled in Conference at the Catholic University of America, September, 1919. Washington, D. C., 1920.
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