-
1gan Bryson, Thomas A., 1931-Location: PAHRC Library, Philadelphia Archdiocesan Historical Research Center (PAHRC)
Cyhoeddwyd 1972
Cael y testun llawn
Reprint -
2gan Bryson, Thomas A., 1931-Location: PAHRC Library, Philadelphia Archdiocesan Historical Research Center (PAHRC)
Cyhoeddwyd Spring 1969
Cael y testun llawn
Pamphlet