- Talks Afield About Plants and the Science of Plants (1885)
- Field Notes on Apple Culture (1886)
- The Survival of the Unlike (1896)
- The Forcing-Book (1897)
- The Principles of Fruit-Growing (1897)
- The Nursery Book (1897)
- Plant-Breeding (1897)
- The Pruning Manual (1898)
- Sketch of the Evolution of our Native Fruits (1898)
- Principles of Agriculture (1898)
- Cyclopedia of American Horticulture (Fifth edition, 1906). Volume 1 A-D, Volume 2 E–M, Volume 3 N–Q, Volme 4 R–Z. (1900). http://www.biodiversitylibrary.org/bibliography/29309.
- The Principles of Vegetable Gardening (1901)
- The Nature-Study Idea (1903)
- The Outlook to Nature (1905)
- The State and the Farmer (1908)
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- The Training of Farmers (1909)
- Animal biology; Human biology. Parts II & III of First course in biology with W.M. Coleman (1910)
- Manual of Gardening (1910)
- Cyclopedia of American agriculture. Volume 2 -- Crops. (1910). http://books.google.com/books?id=ljiucRg4skwC.
- The Country Life Movement (1911)
- The Practical Garden Book (1913)
- The Holy Earth (1915)
- Wind and Weather (poetry) (1916)
- Universal Service (1918)
- What is Democracy? (1918)
- The Seven Stars (1923)
- The Harvest: Of the Year to the Tiller of the Soil (1927)
- The Garden Lover (1928)
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