1. William L. Marcy, US Secretary of State to the Emperor of China, letter in Chinese, 1855 September Published / Created: 1855 September 5 Call Number: Ms Coll 6 Collection Title: Peter Parker collection Container / Volume: Box 1 | Folder 23 Image Count: 3 Abstract: Identifiied by a patron as a letter to the emperor of China by the Secretary of State William L. Marcy about the designation of Peter Parker as American Commissioner to China. Found in: Medical Historical Library, Cushing/Whitney Medical Library > William L. Marcy, US Secretary of State to the Emperor of China, letter in Chinese, 1855 September 5