various, Chinese coin articles, Coins of Wang Mang and the Mantchu Dynasty by J. A. Brudin, 20 pages, 1963 American Numismatic Association reprint, The Study of Chinese Coins by Percy J. Smith, 8 pages, from The China Journal of Science & Arts, vol.V, no.6 (December 1926): 58-65 early reprint (4 copies), total of 5 booklets.