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