1. IOR/L/PS/20/A Reference (shelfmark): IOR/L/PS/20/A Title: Political and Secret Department Library 'A' Books Scope & Content: Covers Russian Empire, Chinese Turkestan and Central Asia (also includes some early items relating to Persia and Afghanistan) Collection Area: India Office Records and Private Papers Languages: English Date Range: 1834-1929 Extent: 33 volumes (55 items)