1841-British Museum Code by The British Museum Research Board
1876-Rules For Dictionary Catalogues by Cutter C.A.
1908-Anglo American Code by ALA
1927-Vetican Code
1934-Classified Catalogue Code (CCC) by Dr. S.R. Ranganathan
1949-ALA Code by ALA
1967-Anglo American Cataloguing Rules –I
1978-Anglo American Cataloguing Rules –II
1988-Anglo – American Cataloging Rules II (revised)