11. IOR/Z/L/PS/4/12 Reference (shelfmark): IOR/Z/L/PS/4/12 Title: Board's Register of Letters from and Despatches to India, Bengal, Madras, Bombay, etc., in the Secret, Political and Foreign Departments Collection Area: India Office Records and Private Papers Languages: English Date Range: 1827-1840 Extent: 1 volume