Numismatic Literature，Wang, Yujing, The Origin and Development of Chinese Ancient Currency, Woguó gudài huòbì de qiyuán hé fazhan, Shanghai, 1957, 122 pages, 43 plates, softcover, excellent photographic plates of Chinese Warring States and earlier issues, ex. H. F. Bowker Numismatic Library. Howard Franklin Bowker (1889-1970) was a numismatist and philatelist, collecting and specializing in Chinese coins, stamps and banknotes. He created the first bibliography of Western language publications on East Asian numismatics.
