Theis, L. (1931). Historical sketch of St. Charles Church, Troy, Kansas: On the occasion of the Golden Jubilee 1881-1931. s.n..
Chicago-referens (17:e uppl.)Theis, Lawrence. Historical Sketch of St. Charles Church, Troy, Kansas: On the Occasion of the Golden Jubilee 1881-1931. [S.l.: s.n., 1931.
MLA-referens (8:e uppl.)Theis, Lawrence. Historical Sketch of St. Charles Church, Troy, Kansas: On the Occasion of the Golden Jubilee 1881-1931. s.n., 1931.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.