|←Author Index: Pi||Gifford Pinchot
1st chief of U.S. Forest Service. 28th governor of Pennsylvania
This author wrote articles for the 1911 Encyclopædia Britannica.
Articles attributed to this author are designated in EB1911 by the initials "G. P."
- “Forest and Forestry” in Encyclopædia Britannica, (11th ed.), 1911 (United States)
- “Conservation Policy,” Encyclopædia Britannica (12th ed.), 1922.