1. IOR/L/MIL/7/4335 Reference (shelfmark): IOR/L/MIL/7/4335 Title: Collection 98/135 Grant of Royal Warrant pension to family of Master Pilot H.O'Brien, Bengal Pilot Service, who died on active service. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1917-1918 Extent: 1 file