Reports of the United States Commissioners to the Paris Universal Exposition, 1867: The production of iron and steel in its economic and social relations. By A. S. Hewitt. Report upon the precious metals. By W. P. Blake. The progress and condition of several departments of industrial chemistry. By J. L. Smith

Reports of the United States Commissioners to the Paris Universal Exposition, 1867: Examination of the telegraphic apparatus and the process in telegraphy. By S. F. B. Morse. Steam engineering as illustrated by the Paris universal exposition. By W. S. Auchincloss. Civil engineering and public works. By W. P. Blake. Béton-coignet; its fabrication, and uses. By L. F. Beckwith. Asphalt and bitumen as applied in construction. By Arthur Beckwith. Buildings, building materials, and methods of building. By J. H. Bowen. Mining and the mechanical preparation of ores. By H. F. Q. D'Aligny, and Messrs. Heut, Geyler, and Lepainteur

Reports of the United States Commissioners to the Paris Universal Exposition, 1867: Machinery and processes of the industrial arts, and apparatus of the exact sciences. By F. A. P. Barnard

Reports of the United States Commissioners to the Paris Universal Exposition, 1867: Wool and manufactures of wool By E. R. Mudge and J. L. Hayes. The report upon cotton. By E. R. Mudge and B. F. Nourse. Silk and silk manufactures. By E. C. Cowdin. Clothing and woven fabrics. By Paran Stevens. The report on education. By J. W. Hoyt. List of the reports in the order of succession in the volumes

Reports of the United States Commissioners to the Paris Universal Exposition, 1867: Quantities of cereals produced in different countries compared. By S. B. Ruggles. The quality and characteristics of the cereal products exhibited. By G. S. Hazard. Report on the preparation of food. By W. E. Johnston. The manufacture of beet-root sugar and alcohol. The manufacture of pressed or agglomerated coal. Photographs, and photographic apparatus. Outline of the history of the Atlantic cables. By H. F. Q. D'Aligny. Culture and products of the vine, and appendix upon the production of wine in California. By Commissioners Wilder, Thompson, Flagg, and Barry. School-houses, and the means of promoting popular education. By J. R. Freese. Munitions of war exhibited at the Paris universal exposition. By C. B. Norton and W. J. Valentine. Instruments and apparatus of medicine, surgery, hygiene, etc. By T. W. Evans. Report upon musical instruments. By Paran Stevens