|←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."
- "Forests and Forestry," in Encyclopædia Britannica (11th ed., 1911) (United States)
- "Conservation Policy," in Encyclopædia Britannica (12th ed., 1922)