Publisher
- Girls Protective League1
- Glassell School of Art, Museum of Fine Arts, Houston1
- Glidden Varnish Company1
- Greater Houston Publishing Co.1
- Gregory R. Miller & Co.1
- Gust. Feist Co.1
- H. B. Wiggin's Sons Co.1
- H. Besley (Firm)1
- H. G. Zimmerman & Co.1
- H. H. Thomas & Co.1
- Hanfstaengl, Franz1
- Harvard University. Press1
- Hastings House (Publisher)1
- Hennacy, Ammon A.1
- Henry Graves & Co.1
- Hill Country Arts Foundation1
- Hillsboro Mirror1
- Historical Research Bureau1
- Hobby Campaign Committee1
- Hodder and Stoughton1