11. IOR/Z/L/PS/4/4 Reference (shelfmark): IOR/Z/L/PS/4/4 Title: Board's Index to Letters from and to Bengal, Madras and Bombay in the Secret, Political and Foreign Departments Scope & Content: (4) Collection Area: India Office Records and Private Papers Languages: English Date Range: 1808-1809 Extent: 1 volume
12. IOR/Z/L/PS/4/5 Reference (shelfmark): IOR/Z/L/PS/4/5 Title: Board's Index to Letters from and to Bengal, Madras and Bombay in the Secret, Political and Foreign Departments Scope & Content: (5) Collection Area: India Office Records and Private Papers Languages: English Date Range: 1810-1811 Extent: 1 volume