Marshall, T. W. M. (1873). The old Catholics at Cologne: A sketch in three scenes. J.A. McGee.
Lua i Stíl Chicago (17ú heag.)Marshall, T. W. M. The Old Catholics at Cologne: A Sketch in Three Scenes. New York: J.A. McGee, 1873.
Lua MLA (8ú heag.)Marshall, T. W. M. The Old Catholics at Cologne: A Sketch in Three Scenes. J.A. McGee, 1873.
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