1. IOR/L/PS/5/591 Reference (shelfmark): IOR/L/PS/5/591 Title: Secret Letters to India, Madras, Bombay, Aden, Muscat, Persian Gulf and Zanzibar, Vol 1 Scope & Content: With Index Collection Area: India Office Records and Private Papers Languages: English Date Range: 1859-1869 Extent: 1 volume