1. Modern History Databases, Academia Sinica. (1919). Mr. C. C. Nieh. In Who’s who in China (p. 326).
2. Modern History Databases, Academia Sinica. (1931). Li [sic] Tao-Chi. In Who’s who in China (p. 245).
3. Shanghai Library Late Qing and Republican Periodicals Database (晚清民国时期期刊全文数据库). Accessed via Fudan University.
4. Yale University Manuscripts and Archives. Papers of Irving Fisher.
5. Americanizing Brazilian management