11. IOR/Z/L/PS/7 Reference (shelfmark): IOR/Z/L/PS/7 Title: Political and Secret Correspondence with India Collection Area: India Office Records and Private Papers Languages: English Date Range: 1875-1911 Extent: 37 volumes
12. IOR/Z/L/PS/12 Reference (shelfmark): IOR/Z/L/PS/12 Title: Political (External) Department Files and Collections Collection Area: India Office Records and Private Papers Languages: English Date Range: 1931-1950 Extent: 41 volumes
13. IOR/Z/L/PS/13 Reference (shelfmark): IOR/Z/L/PS/13 Title: Political (Internal) Department Files and Collections Collection Area: India Office Records and Private Papers Languages: English Date Range: 1931-1941 Extent: 22 volumes
14. IOR/Z/L/PS/1 Reference (shelfmark): IOR/Z/L/PS/1 Title: East India Company and India Office Minutes Collection Area: India Office Records and Private Papers Languages: English Date Range: 1836-1858 Extent: 1 volume
15. IOR/Z/L/PS/4 Reference (shelfmark): IOR/Z/L/PS/4 Title: Correspondence with India in the Secret, Political and Foreign Departments Collection Area: India Office Records and Private Papers Languages: English Date Range: 1784-1858 Extent: 11 volumes
16. IOR/Z/L/PS/2 Reference (shelfmark): IOR/Z/L/PS/2 Title: Board's Secret Minutes and Political Previous Communications and Drafts Collection Area: India Office Records and Private Papers Languages: English Date Range: 1812-1858 Extent: 3 volumes
17. IOR/Z/L/PS/3/3 Reference (shelfmark): IOR/Z/L/PS/3/3 Title: Secret Home Correspondence Registers Collection Area: India Office Records and Private Papers Languages: English Date Range: 1859-1869 Extent: 1 volume
18. IOR/Z/L/PS/3/4 Reference (shelfmark): IOR/Z/L/PS/3/4 Title: Secret Home Correspondence Registers Collection Area: India Office Records and Private Papers Languages: English Date Range: 1870-1874 Extent: 1 volume
19. IOR/Z/L/PS/3/9 Reference (shelfmark): IOR/Z/L/PS/3/9 Title: Political Home Correspondence Registers Collection Area: India Office Records and Private Papers Languages: English Date Range: 1858-1864 Extent: 1 volume
20. IOR/Z/L/PS/3/10 Reference (shelfmark): IOR/Z/L/PS/3/10 Title: Political Home Correspondence Registers Collection Area: India Office Records and Private Papers Languages: English Date Range: 1865-1869 Extent: 1 volume