|←Author Index: He||Peter Henderson
Horticulturist in Jersey City and New York. Founder of Peter Henderson and Co., seed company. Author of Gardening for Profit; Gardening for Pleasure; Garden and Farm Topics; &c.|
This author wrote articles for the 1911 Encyclopædia Britannica.
Articles attributed to this author are designated in EB1911 by the initials "P. H."
- "Seed Centenial: Peter Henderson's seed store celebrates 100 years of strong growth". Life Magazine: 55–56. April 7, 1947.
Works by this author published before January 1, 1923 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.