| Name of Indexing System | Developer’s Name | Year |
|---|---|---|
| Systematic Indexing/Concrete and Process | Julius Otto Kaiser | 1911 |
| Subject Indexing | Minnie Earl Sears | 1923 |
| Chain Indexing | Dr. S. R. Ranganathan | 1938 |
| Uniterm Indexing/ Coordinate Indexing | Mortimer Taube | 1953 |
| Citation Indexing / Science Citation Index (SCI) | Eugene Garfield | 1955 |
| Key Word In Context (KWIC) Indexing | Hans Peter Luhn | 1958 |
| Permutation Indexing | Herbert Marvin Ohlman | 1958 |
| Automated Indexing | Hans Peter Luhn | 1958 |
| British Technology Index (BTI) / Subject Indexing / Things, Property, Material, Action | E. J. Coates | 1962 |
| Word Author Index (WADEX) | E. A. Rapperger, H. Wooster and S. Juhasz | 1964 |
| Relational Indexing | Jason Farradane | 1966 |
| Selective Listing in Combination (SLIC) Indexing | J. R. Sharp | 1966 |
| Preserved Context Indexing System (PRECIS) | Derek Austin | 1974 |
| Relative Index | Melvil Dewey | 1976 |
| Linked Phrase Indexing System (LIPHIS) | Timothy C. Craven | 1978 |
| Postulate Based Permuted Subject Indexing (POPSI) | Ganesh Bhattacharyya | 1979 |
| Nested Phrase Indexing System (NEPHIS | Timothy C. Craven | 1986 |
| Compass Indexing | Shay Banon | 2004 |
| H-index | Jorge Eduardo Hirsch | 2005 |
| I10-Index | Google Scholar | 2011 |