Issues for Jan.-Sept. 1940 have title: Sangyo igaku.; Issues for 1940-48 have title in Japanese only.; Part II for 1978- called also: Reports of the Institute for Science of Labor, no. 87- .; Suspended publication Oct 1944-Dec. 1945.; In 1950 absorbed Sangyo igaku (issued separately with new volume numbering in 1959); Absorbed Reports of the Institute for Science of Labour in 1968. Reports for Mar. 1968-Dec. 1970 numbered also as Reports no. 68-73, and are bound with the former title.; Table of contents and summaries in English, 1950-; Official organ of Nippon Sangyo Eisei Kyokai, 1950-58.; Issued 1940-Dec. 1941 by Nippon Rodo Kagaku Kenkyujo; Nov. 1941-Jan. 1950, by Rodo Kagaku Kenkyujo; Feb. 1950-July 1952, by Rodo Igaku Shinrigaku Kenkysho; Aug 1952- by Rodo Kagaku Kenkyujo.; Continues Rodo kagaku kenkyu.
