The IOR/E/4 Correspondence with India comprises 1112 volumes dating from 1703-1858. The material is arranged into eight series: four series of letters received by the Court of Directors from the administration in India; and four series of dispatches sent by the Court to the same administrations. Subject, name and place access for the dispatches to India is provided through 72 index volumes, catalogued as IOR/Z/E/4, which contain around 430,000 entries. The original indexes were produced between 1901 and 1929 by the staff of the Secretarial Bureau, led by indexing pioneer Mary Petherbridge. When these index entries came to be converted…