Creator
- Gilbert, C.1
- Ginn and Company1
- Glasstone, Samuel, 1897-19861
- Goostray, Stella, 1886-19691
- Gordon, E. O. (Elizabeth Oke)1
- Grasselli Chemical Company1
- Great Britain. Medical Research Committee1
- Green, Arthur G.1
- Greenish, Henry G. (Henry George), 1855-19331
- Greensfelder, N. S. (Nelson Sutro), 1891-1
- Groves, Leslie R., 1896-19701
- Gulf Research & Development Co.1
- Guttmann, Oscar, 1855-19101
- H. A. Metz & Co.1
- H. Grevel & Co.1
- H. K. Mulford Company1
- H.A. Metz & Co1
- Hachette (Firm)1
- Hadley, C. H.1
- Hallock, Grace T. (Grace Taber), 1893-1