1. IOR/L/PS/20/C Reference (shelfmark): IOR/L/PS/20/C Title: Political and Secret Department Library: 'C' Books Scope & Content: Covers Persia, Persian Gulf, Arabia (including Muscat), Turkey/Ottoman Empire, Mesopotamia/Iraq, Syria and Palestine Collection Area: India Office Records and Private Papers Languages: English Date Range: 1834-1945 Extent: 138 volumes (154 items)