Stanley Gibbons Ltd: various catalogues AskPhil – Glossary of Stamp Collecting Terms Encyclopaedia of Postal History Rossiter, Stuart & John Flower. The Stamp Atlas. London: Macdonald, 1986. Richard Pratt, Imperial China: History of the Posts (to) 1897, Sahara Publications Ltd. (1998). Encyclopaedia of Postal Authorities Rossiter, Stuart & John Flower. The Stamp Atlas. London: Macdonald, 1986. Postal history of China Postal system of China Philately of China