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
2. IOR/L/PS/5/592 Reference (shelfmark): IOR/L/PS/5/592 Title: Secret Letters to India, Madras, Bombay, Aden, Muscat, Persian Gulf and Zanzibar, Vol 2 Scope & Content: Except those relating to Abyssinia. With Index. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1870 Extent: 1 volume
3. IOR/L/PS/5/593 Reference (shelfmark): IOR/L/PS/5/593 Title: Secret Letters to India, Madras, Bombay, Aden, Muscat, Persian Gulf and Zanzibar, Vol 3 Scope & Content: Except those relating to Abyssinia. With Index. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1871 Extent: 1 volume
4. 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
5. IOR/L/PS/5/595 Reference (shelfmark): IOR/L/PS/5/595 Title: Secret Letters to India, Madras, Bombay, Aden, Muscat, Persian Gulf and Zanzibar, Vol 5 Scope & Content: With Index. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1873 Extent: 1 volume
6. IOR/L/PS/5/596 Reference (shelfmark): IOR/L/PS/5/596 Title: Secret Letters to India, Madras, Bombay, Aden, Muscat, Persian Gulf and Zanzibar, Vol 6 Scope & Content: With Index. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1874 Extent: 1 volume