Keppel, L. O. (1932). Trent: Before and after (1534-1600). Catholic Truth Society.
Lua i Stíl Chicago (17ú heag.)Keppel, Leopoldina Olivia. Trent: Before and After (1534-1600). London: Catholic Truth Society, 1932.
Lua MLA (8ú heag.)Keppel, Leopoldina Olivia. Trent: Before and After (1534-1600). Catholic Truth Society, 1932.
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