||v. 1. Principles of atomic and molecular structure, by W. N. Lipscomb. Theoretical and applied nuclear chemistry, by P. R. O'Connor. The actinide series, by G. T. Seaborg--v. 2. Copper, silver, and gold, by J. W. Laist.--v. 3. The halogens, by R. C. Brasted.--v. 4. Zinc, cadmium, and mercury, by H. M. Cyr and the editors. Scandium, yttrium, and the lanthanide series, by T. D. O'Brien and the editors.--v. 5. Nitrogen, phosphorus, arsenic, antimony, and bismuth, by H. H. Sisler. Nonaqueous chemistry, by A. R. Pray.--v. 6. The alkali metals, by J. F. Suttle, Hydrogen and its isotopes, by R. C. Brasted.--v. 7. The elements and compounds of Group IVA, by H. P. Klug and R. C. Brasted.--v. 8. Sulfur, selenium, tellurium, polonium, and oxygen, by R. C. Brasted.