1. On the limit of a sequence of point sets. Bull Amer Math Soc, 1935, 41: 502–504
2. A note on the indices and numbers of nondegenerate critical points of biharmonic functions (with Kiang Tsai-han). Science Quarterly, Nat Univ Peking, 1935, 5(3): 389–392
3. Contributions to the theory of “Student’s” t-test as applied to the problem of twosamples. Statist Res Mem, 1938, 2: 1–24
4. On the best unbiased quadratic estimate of the variance. Statist. Res. Mem. 1938 2: 91–104
5. Notes on Hotelling’s generalized T. Ann Math Statist, 1938, 9: 231–243