I: Historic retrospection -- Translation of CIE 1931 resolutions on colorimetry -- Professor Wright's paper from the Golden Jubilee Book: The historical and experimental background to the 1931 CIE system of colorimetry -- II: Colorimetric fundamentals -- CIE colorimetry -- CIE color difference metries -- Spectral color measurement -- Tristimulus color measurement of self-luminous sources -- Color management -- Color rendering of light sources -- III: Advances in colorimetry -- Color-matching functions: physiological basis -- Open problems on the validity of Grassmann's laws -- CIE color appearance models and associated color spaces -- Image appearance modeling -- Spatial and temporal problems of colorimetry -- The future of colorimetry in the CIE