Flintham, L. S. (1904). The Sisters of Charity of the Blessed Virgin Mary. A Philadelphia Foundation of A. D. 1833. Records of the American Catholic Historical Society of Philadelphia. Volume XV. Pages 46-68. Philadelphia : American Catholic Historical Society of Philadelphia.
Chicago-viite (17. p.)Flintham, Lydia Stirling. The Sisters of Charity of the Blessed Virgin Mary. A Philadelphia Foundation of A. D. 1833. Records of the American Catholic Historical Society of Philadelphia. Volume XV. Pages 46-68. Philadelphia : American Catholic Historical Society of Philadelphia, 1904.
MLA-viite (8. p.)Flintham, Lydia Stirling. The Sisters of Charity of the Blessed Virgin Mary. A Philadelphia Foundation of A. D. 1833. Records of the American Catholic Historical Society of Philadelphia. Volume XV. Pages 46-68. Philadelphia : American Catholic Historical Society of Philadelphia, 1904.