His Work on the Chinese and Arab Trade in the twelfth and thirteenth Centuries, entitled Chu-fan-chï, Translated from the Chinese and Annotated by FRIEDRICH HIRTH and W. W. ROCKHILL, (1911) with W. W. Rockhill Research in China ... (1913) The Story of Chang K'ie'n, China's Pioneer in Western Asia'' (1917) Native sources for the history of Chinese pictorial art (1917) See also Zhao Rugua Notes References External links Columbia University faculty Columbia University librarians Leipzig University alumni Humboldt University of Berlin alumni University of Greifswald alumni German sinologists German emigrants to the United States 1845 births 1927 deaths German male non-fiction writers