Standard International Trade Classification Revision 2
Location: REF HF 1041.U5 1975
Classification of Commodities by Industrial Origin
Location: REF HF 1041 .U44 "Relationship of the Standard International Trade Classification to the International Standard Industrial Classification." Published in 1966 by the United Nations.
Classification of Commodities by Industrial Origin
Location: REF HF 1041 .U52 A 1971 revision of the previous item. Published by the United Nations
Classification by Broad Economic Categories
Location: REF HF 1041 .U42 A United Nations publication