An international bibliography on atomic energy, Vol. I, political, economic and social aspects: Suppl. No. 2, 31 pp.; Vol. II, Scientific Aspects, Suppl. No. 2, 320 pp. Atomic Energy Section, Dept. of Security Council Affairs, United Nations, New York 1953, price $ 0.30 and $ 3.50 (1.20 and 14.—Swiss francs, respectively).