- Gairdner, W. T. (William Tennant), Sir, 1824-19071
- Garcia, Eduardo R., author1
- García, Manuel, active 19th century, author1
- Gardner, William S. (William Sisson), 1861- , author1
- Germantown Hospital (Philadelphia, Pa.), author.1
- Gérard, J. (Joseph-François), 1834-18981
- Gilbert, W. Henry (William Henry), 1860-1906, author1
- Gilliam, David Tod, 1844-1923, author1
- Godfrey, E. L. B., author1
- Goelet, Augustin H., 1854-1910 author1
- Goggans, James A., author1
- Goodwin, Harry M., author1
- Gouvêa, Hilario de.1
- Gómez y Suarez, Fernando, author1
- Green, James S. (James Sproat), 1829-1892, author1
- Green, Samuel A. (Samuel Abbott), 1830-19181
- Greene, C. A. (Charles A.) author1
- Grier, M. J. (Matthew J.), 1838- author1
- Guernsey, Henry N. (Henry Newell), 1817-18851
- Hadra, B. E. (Berthold Ernest), 1842-19031