摘要: This paper lists important publications on classification by S. R. Ranganathan (1892-1972), veritably called the father of Indian library movement. It outlines brief history seven editions his revolutionary colon (CC) from 1928 to 1987. Seven are grouped into three evolutionary versions. states unique features CC as based deep study nature and growth knowledge, explains work designing a system successive but demarcated planes work, namely, idea, verbal, notional planes. Tools for evaluating enshrined in 55 canons, 22 principles, 13 postulates 10 devices. Further, this discusses division mapping types subjects, modes their formation universe knowledge envisaged Ranganathan. Semantic syntactic relations PMEST facet formula fitted with rounds levels facets, other such famous Wall-Picture principle, citation order facets. also briefly analysis number building its notational base 74 digits, concludes extent use enduring contribution science future. http://dx.doi.org/10.14429/djlit.33.4881