Contributions in English, Spanish, Portuguese or French vol. I (section I) Anthropology. W. H. Holmes, chairman.--vol. II (section II) Astronomy, meteorology, and seismology. R. S. Woodward, chairman.--vol. III (section III) Conservation of natural resources. G. M. Rommel, chairman.--vol. IV (section IV, pt. 1) Education. P. P. Claxton, chairman.--vol. V (section IV, pt. 2) Education. P. P. Claxton, chairman.--vol. VI (section V) Engineering. W. H. Bixby, chairman.--vol. VII (section VI) International law, public law and jurisprudence. J. B. Scott, chairman.--vol. VIII (section VII) Mining, metallurgy, economic geology and applied chemistry. Hennen Jennings, chairman.--vol. IX (section VIII, pt. 1) Public health and medicine. W. C. Gorgas, chairman.--vol. X (section VIII, pt. 2) Public health and medicine. W. C. Gorgas, chairman.--vol. XI (section IX) Transportation, commerce, finance and taxation. L. S. Rowe, chairman