Yang, Lien-sheng (1 February 1947). "A Note on The So-called TLV Mirrors and The Game Liu-po". Harvard Journal of Asiatic Studies. 9 (3/4): 202–206. doi:10.2307/2717892. JSTOR2717892.
Yang, Lien-sheng (June 1952). "An Additional Note on the Ancient Game of Liu-po". Harvard Journal of Asiatic Studies. 15 (1/2): 124–139. doi:10.2307/2718275. JSTOR2718275.
Yang, Lien-sheng (1 February 1947). "A Note on The So-called TLV Mirrors and The Game Liu-po". Harvard Journal of Asiatic Studies. 9 (3/4): 202–206. doi:10.2307/2717892. JSTOR2717892.
Yang, Lien-sheng (June 1952). "An Additional Note on the Ancient Game of Liu-po". Harvard Journal of Asiatic Studies. 15 (1/2): 124–139. doi:10.2307/2718275. JSTOR2718275.