Nakai, T. 1943. 中井敎授著作論文目錄並に敎授の硏究發表による植物新群名新植物名及新學名総索引 / Nakai Kyoju Chosakuronbun Mokuroku narabini Kyouju no Kenkyuhappyo ni yoru Shokubutsu Shin-genmein Shin shokubutumei oyobi Shingakumei So-sakuin [Ordines, familiae, tribi, genera, sectiones, species, varietates, formae et combinationes novae a Prof. Nakai-Takenosin adhuc ut novis edita. Appendix. Quaestiones characterium naturalium plantarum vel Extractus ex praelectionibus pro aluminis botanicis Universitatis Imperialis Tokyoensis per annos 1926–1941]. Tokyo: Imperial University. [Posthumously published.] (Japanese) & (Latin). Google Books
