Freeman, William George, 1874- The world commercial products : a descriptive accounts of the plants of the world and of their commercial uses / by W. G. Freeman [and] S. E. Chandler - London : Sir Issac Pitman, 1907 - 391 p. : ill.; 27 cm. Includes index Subjects--Topical Terms: Commercial productsCommerce--HistoryCommercial geography