1. IOR/Z/E/4/43/O33 Reference (shelfmark): IOR/Z/E/4/43/O33 Title: O'Callaghan, Hon. Sir Robert William, K.C.B., Appointments, Commander-in-Chief and 2nd in Council Collection Area: India Office Records and Private Papers Languages: English Date Range: 1830-1835 Extent: 1 entry