Theis, L. (1931). Historical sketch of St. Charles Church, Troy, Kansas: On the occasion of the Golden Jubilee 1881-1931. s.n..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTheis, Lawrence. Historical Sketch of St. Charles Church, Troy, Kansas: On the Occasion of the Golden Jubilee 1881-1931. [S.l.: s.n., 1931.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTheis, Lawrence. Historical Sketch of St. Charles Church, Troy, Kansas: On the Occasion of the Golden Jubilee 1881-1931. s.n., 1931.
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