- Soundings (1909)
- The Complete Book of Gardening (1909)
- The Complete Gardener (1910)
- The Principles of Garden Design (1911)
- The Small Rock Garden (1912)
- The Rose Garden (1912)
- The Water Garden (1913)
- The Book of Garden Furniture (1914)
- The Book of the Flower Show (1914)
- The Book of Topiary (1914)
- The Making of a Garden (1915)
- The Beginner's Garden Book (1916)
- The Practical Garden Book (1916)
- The Vegetable Garden (1917)
- The Orchard and Fruit Garden (1917)
- The Book of Hardy Flowers (1918)
- The Book of Shrubs (1918)
- The Book of Trees (1918)
- The Book of Perennials (1919)
- The Book of Annuals (1919)
- The Book of Bulbs (1919)
- The Book of Water Plants (1919)
- The Book of Ferns (1919)
- The Book of Mosses (1919)
- The Book of Lichens (1919)
- The Book of Fungi (1919)
- The Book of Insects (1919)
- The Book of Birds (1919)
- The Book of Beasts (1919)
- The Book of Fishes (1919)
- The Book of Reptiles (1919)
- The Book of Amphibians (1919)
- The Book of Geology (1919)
- The Book of Astronomy (1919)
- The Book of Physics (1919)
- The Book of Chemistry (1919)
- The Book of Biology (1919)
- The Book of Zoology (1919)
- The Book of Botany (1919)
- The Book of Anatomy (1919)
- The Book of Physiology (1919)
- The Book of Hygiene (1919)
- The Book of Medicine (1919)
- The Book of Surgery (1919)
- The Book of Nursing (1919)
- The Book of Dentistry (1919)
- The Book of Veterinary Medicine (1919)
- The Book of Pharmacy (1919)
- The Book of Law (1919)
- The Book of Politics (1919)
- The Book of Economics (1919)
- The Book of Sociology (1919)
- The Book of Anthropology (1919)
- The Book of Psychology (1919)
- The Book of Philosophy (1919)
- The Book of Religion (1919)
- The Book of the Bible (1919)
- The Book of Shakespeare (1919)
- The Book of English Literature (1919)
- The Book of American Literature (1919)
- The Book of French Literature (1919)
- The Book of German Literature (1919)
- The Book of Italian Literature (1919)
- The Book of Spanish Literature (1919)
- The Book of Russian Literature (1919)
- The Book of Chinese Literature (1919)
- The Book of Japanese Literature (1919)
- The Book of Indian Literature (1919)
- Το βιβλίο της περσικής λογοτεχνίας (1919)
- The Book of Arabic Literature (1919)
- The Book of Hebrew Literature (1919)
- Το Βιβλίο της Ελληνικής Λογοτεχνίας (1919)
- The Book of Roman Literature (1919)
- The Book of Ancient History (1919)
- The Book of Medieval History (1919)
- The Book of Modern History (1919)
- The Book of American History (1919)
- The Book of European History (1919)
- The Book of Asiatic History (1919)
- The Book of African History (1919)
- The Book of Australian History (1919)
- The Book of New Zealand History (1919)
- The Book of Canadian History (1919)
- The Book of South African History (1919)
- The Book of Indian
Διηγήματα:
- "The Call of the Veldt" (1905)
- "The Strength of the Weak" (1906)
- "The Trail of the Tiger" (1907)
- "The Voice of the Desert" (1908)
- "Ο κήπος του Αλλάχ" (1909)
- "Η φλόγα του Ισλάμ" (1910)