1. IOR/L/PS/6/532, Coll 59/10 Reference (shelfmark): IOR/L/PS/6/532, Coll 59/10 Title: Further papers regarding British trade with Perak - the Sultan of Perak agrees to abide by the provisions of the treaty of 6 Sep 1825 Collection Area: India Office Records and Private Papers Languages: English Date Range: Feb 1864-Jun 1864 Extent: 1 file