"We are under special obligations to Mr. Shigeru Kinoshita of the statistical department, who has planned and directed the assembling, classification and computation of statistical data and ... Messrs. Yota Matsuoka and Nori Shibata of the same department, on whose shoulders has fallen most of the labor in making calculations and compiling tabulation."--Pref. p. 2.
"Errata" slip (English laid in; (Japanese) mounted on end paper.