"Frederick J. Bancroft, M.D. (1834-1903)". Colorado's Healthcare Heritage: Honoring the People Who Created What We've Inherited. Colorado Healthcare History. ص. 3. مؤرشف من الأصل في 2017-01-11. اطلع عليه بتاريخ 2016-10-03.
"Frederick J. Bancroft, M.D. (1834-1903)". Colorado's Healthcare Heritage: Honoring the People Who Created What We've Inherited. Colorado Healthcare History. ص. 3. مؤرشف من الأصل في 2017-01-11. اطلع عليه بتاريخ 2016-10-03."Frederick J. Bancroft, M.D. (1834-1903)". Colorado's Healthcare Heritage: Honoring the People Who Created What We've Inherited. Colorado Healthcare History. p. 3. Retrieved October 3, 2016.
"Frederick J. Bancroft, M.D. (1834-1903)". Colorado's Healthcare Heritage: Honoring the People Who Created What We've Inherited. Colorado Healthcare History. ص. 3. مؤرشف من الأصل في 2017-01-11. اطلع عليه بتاريخ 2016-10-03.
"Frederick J. Bancroft, M.D. (1834-1903)". Colorado's Healthcare Heritage: Honoring the People Who Created What We've Inherited. Colorado Healthcare History. ص. 3. مؤرشف من الأصل في 2017-01-11. اطلع عليه بتاريخ 2016-10-03."Frederick J. Bancroft, M.D. (1834-1903)". Colorado's Healthcare Heritage: Honoring the People Who Created What We've Inherited. Colorado Healthcare History. p. 3. Retrieved October 3, 2016.