Schaller, P. J. (1956). A bibliography of the writings of the Capuchins of the Pennsylvania Province of St. Augustine, 1882-1954.
Lua i Stíl Chicago (17ú heag.)Schaller, Pascal J. A Bibliography of the Writings of the Capuchins of the Pennsylvania Province of St. Augustine, 1882-1954. 1956.
Lua MLA (8ú heag.)Schaller, Pascal J. A Bibliography of the Writings of the Capuchins of the Pennsylvania Province of St. Augustine, 1882-1954. 1956.
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