1. IOR/L/PS/9/3 Reference (shelfmark): IOR/L/PS/9/3 Title: Secret Letters Received from areas outside India, Vol 3 Persia Collection Area: India Office Records and Private Papers Languages: English Date Range: 1859 Extent: 1 volume
2. IOR/L/PS/9/10 Reference (shelfmark): IOR/L/PS/9/10 Title: Secret Letters Received from areas outside India, Vol 10 Constantinople Collection Area: India Office Records and Private Papers Languages: English Date Range: 1834-1836 Extent: 1 volume
3. IOR/L/PS/9/26 Reference (shelfmark): IOR/L/PS/9/26 Title: Secret Letters Received from areas outside India, Vol 26 Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1842 Extent: 1 volume
4. IOR/L/PS/9/27 Reference (shelfmark): IOR/L/PS/9/27 Title: Secret Letters Received from areas outside India, Vol 27 Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1843 Extent: 1 volume
5. IOR/L/PS/9/28 Reference (shelfmark): IOR/L/PS/9/28 Title: Secret Letters Received from areas outside India, Vol 28 Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1844-1845 Extent: 1 volume
6. IOR/L/PS/9/29 Reference (shelfmark): IOR/L/PS/9/29 Title: Secret Letters Received from areas outside India, Vol 29 Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1846-1847 Extent: 1 volume
7. IOR/L/PS/9/30 Reference (shelfmark): IOR/L/PS/9/30 Title: Secret Letters Received from areas outside India, Vol 30 Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1848-1849 Extent: 1 volume
8. IOR/L/PS/9/31 Reference (shelfmark): IOR/L/PS/9/31 Title: Secret Letters Received from areas outside India, Vol 31 Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1850-1851 Extent: 1 volume
9. IOR/L/PS/9/32 Reference (shelfmark): IOR/L/PS/9/32 Title: Secret Letters Received from areas outside India, Vol 32 Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1852-1853 Extent: 1 volume
10. IOR/L/PS/9/33 Reference (shelfmark): IOR/L/PS/9/33 Title: Secret Letters Received from areas outside India, Vol 33 Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1854 Extent: 1 volume