1. World minerals and world politics;a factual study of minerals in their political and international relations
المؤلف: By C. K. Leith
المکتبة: كتابخانه دانشكده ادبيات دانشگاه تهران (طهران)
موضوع: Mines and mineral resources.,Mineral industries.,Economic policy.,Commercial policy.,World politics--1919-1932.
