1. IOR/L/PS/5/594 Reference (shelfmark): IOR/L/PS/5/594 Title: Secret Letters to India, Madras, Bombay, Aden, Muscat, Persian Gulf and Zanzibar, Vol 4 Scope & Content: With Index. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1872 Extent: 1 volume