"History of Homeopathy and Its Institutions in America By William Harvey King, M.D., LL.D. Presented by Sylvain Cazalet".
Truy cập ngày 9 tháng 12 năm 2016.  ^ “History of Homeopathy and Its Institutions in America By William Harvey King, M.D., LL.D. Presented by Sylvain Cazalet”.