Horn, G. H. 1866. Notes on the habits of a few California Coleoptera. Proceedings of the Entomological Society of Phildelphia 6:289-293. (link to digital copy)
Horn, G. H. 1868a. Catalogue of Coleoptera from South Western Virginia. Transactions of the American Entomological Society 2:123-128. (link to digital copy)
Horn, G. H. 1868b. New species of Coleoptera from the Pacific District of the United States. Transactions of the American Entomological Society 2:129-140. (link to digital copy)
Horn, G. H. 1870. Contributions to the Coleopterology of the United States. Transactions of the American Entomological Society 3:69-97. (link to digital copy)
Horn, G. H. 1872. Coleoptera, pp. 382-392. In: V. Hayden. Preliminary report, U.S. Geological Survey, Montana and portions of adjacent territories, 5th Annual Report of Progress, vi+538 pp.
Horn, G. H. 1875. Synonymical notes and description of new species of North American Coleoptera. Transactions of the American Entomological Society 5:126-156. (link to digital copy)
Horn, G. H. 1878. Revision of the species of Acmaeodera of the United States. Transactions of the American Entomological Society 7:2-27. (link to digital copy)
Horn, G. H. 1880. Contributions to the Coleopterology of the United States, No. 3. Transactions of the American Entomological Society 8:139-154. (link to digital copy)
Horn, G. H. 1882. Revision of the species of some genera of Buprestidae. Transactions of the American Entomological Society 10:101-112. (link to digital copy)
Horn, G. H. 1883. Miscellaneous notes and short studies of North American Coleoptera. Transactions of the American Entomological Society 10:269-312. (link to digital copy)
Horn, G. H. 1884. Synonymical notes. The Canadian Entomologist 16:147-148. (link to digital copy)
Horn, G. H. 1885. Contributions to the Coleopterology of the United States. (No. 4). Transactions of the American Entomological Society 12:128-162. (link to digital copy)
Horn, G. H. 1886a. A monograph of the species of Chrysobothris inhabiting the United States. Transactions of the American Entomological Society 13:65-124 (link to digital copy), plates ii-vii. (link to digital copy)
Horn, G. H. 1886b. Review of the species described by Olivier in the “Entomologie”. Transactions of the American Entomological Society 13:135-144. (link to digital copy)
Horn, G. H. 1887. Some additional synonymy. Entomologia Americana 3(8):145. (link to digital copy)
Horn, G. H. 1889. Synonymical notes. Entomologia Americana 5:198-199. (link to digital copy)
Horn, G. H. 1891a. New species and miscellaneous notes. Transactions of the American Entomological Society 18:32-48. (link to digital copy)
Horn, G. H. 1891b. The species of Agrilus of Boreal America. Transactions of the American Entomological Society 18:277-366. (link to digital copy)
Horn, G. H. 1891c. Untitled discussion in meeting of the Entomology Section, Academy of Natural Sciences. In: H. Skinner. (Ed.). Doings of Societies. Entomological News 2:146-147. (link to digital copy)
Horn, G. H. 1893. Miscellaneous coleopterous studies. Transactions of the American Entomological Society 20:136-144. (link to digital copy)
Horn, G. H. 1894. The Coleoptera of Baja California. Proceedings of the California Academy of Sciences 4:302-449.
Horn, G. H. 1896. A note on Buprestidae synonymy. Entomological News 7:247. (link to digital copy)
LeConte, J. L. & G. H. Horn. 1883. Classification of the Coleoptera of North America. Smithsonian Miscellaneous Collection 26(507):38+567 pp., 5 figures. (link to digital copy)