1. IOR/L/PS/9/51 Reference (shelfmark): IOR/L/PS/9/51 Title: Vol 1 Political and Secret Letters Received from Zanzibar Collection Area: India Office Records and Private Papers Languages: English Date Range: 1875-Aug 1883 Extent: 1 volume
2. IOR/L/PS/9/52 Reference (shelfmark): IOR/L/PS/9/52 Title: Vol 2 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1875-Dec 1875 Extent: 1 volume
3. IOR/L/PS/9/53 Reference (shelfmark): IOR/L/PS/9/53 Title: Vol 3 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: Jan 1876-Dec 1876 Extent: 1 volume
4. IOR/L/PS/9/54 Reference (shelfmark): IOR/L/PS/9/54 Title: Vol 4 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1877-1880 Extent: 1 volume
5. IOR/L/PS/9/55 Reference (shelfmark): IOR/L/PS/9/55 Title: Vol 5 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1881-1884 Extent: 1 volume
6. IOR/L/PS/9/56 Reference (shelfmark): IOR/L/PS/9/56 Title: Vol 6 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1885-1888 Extent: 1 volume
7. IOR/L/PS/9/57 Reference (shelfmark): IOR/L/PS/9/57 Title: Vol 7 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1889-1896 Extent: 1 volume
8. IOR/L/PS/9/58 Reference (shelfmark): IOR/L/PS/9/58 Title: Vol 8 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1897-1899 Extent: 1 volume
9. IOR/L/PS/9/59 Reference (shelfmark): IOR/L/PS/9/59 Title: Vol 9 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1900-1902 Extent: 1 volume
10. IOR/L/PS/9/60 Reference (shelfmark): IOR/L/PS/9/60 Title: Vol 10 Political and Secret Letters Received from Aden Collection Area: India Office Records and Private Papers Languages: English Date Range: 1903 Extent: 1 volume