1. IOR/L/PS/18/B115 Reference (shelfmark): IOR/L/PS/18/B115 Title: Szemao (Yunnan). Notes on the trade of Szemao for the year 1897 by Mr F W Carey of the Imperial Chinese Customs Service. Foreign Office, 31 May 1898 Collection Area: India Office Records and Private Papers Languages: English Date Range: 31 May 1898 Extent: 8pp