A smaller commercial geography / George G. Chisholm and J. Hamilton Birrell Chisholm, Geo. G. (George Goudie), 1850-1930. Birrell, John Hamilton, joint author. Commercial geography. Commercial products. 330.9 CHS "In the main an abridgment of my Handbook of commercial geography."--Pr̀ef. London : Longmans, 1923. 1923. 1923 Text xiv, 302 p. eng