Prior to World War II, a collection of Chinese manuscripts and printed books made by him was in the Royal Library at Berlin, and another of porcelains of considerable historical importance in the Gotha Museum; most of the Hirth collection from the Staatsbibliothek in Berlin is now in Kraków.[2] As an investigator he conducted researches in Chinese literature by imitation of the methods of classical philology.
Works
"The Hoppo-Book of 1753". Journal of the North China Branch of the Royal Asiatic Society. 17: 221–235. 1882. Translates and annotates a merchant log dealing with the Superintendent of Customs or "Hoppo".
China and the Roman Orient: Researches into their Ancient and Mediœval Relations as Represented in Old Chinese Records (1885)[1][2][3][4]