(1) A Primer of Philosophy (2) Religion und Naturwissenschaft Eine Antwort an Professor Ladenburg (3) Philosophische Propädeutik auf Naturwissenschaftlicher Grundlage (4) Der Skeptizismus in der Philosophie

(1) A Student's Heat (2) Elementos de Física Descritiva para a 4a e 5a Classes dos Liceus

(1) A Text-book of Geography (2) The Upper Thames Country and the Severn-Avon Plain (3) A Leisurely Tour in England

(1) A Treatise on the Circle and the Sphere (2) Exercices et Leçons de Mécanique Analytique

(1) Amulets and Superstitions: the Original Texts with Translations and Descriptions of a Long Series of Egyptian, Sumerian, Assyrian, Hebrew, Christian, Gnostic, and Muslim Amulets and Talismans and Magical Figures, with Chapters on the Evil Eye, the Orig

(1) An Introduction to the Flora of Natal and Zululand (2) The Flora of the Nilgiri and Pulney Hill-Tops

(1) An Introductory Treatise on Dynamical Astronomy (2) The Destinies of the Stars

(1) Ancient Civilisations: from the Earliest Times to the Birth of Christ

(1) Anecdotes of Big Cats and other Beasts (2) The Life Story of a Tiger

(1) Astronomical Curiosities, Facts and Fallacies (2) Curiosities of the Sky A Popular Presentation of the Great Riddles and Mysteries of Astronomy

(1) Astronomical Thought in Renaissance England: (2) Johannes Kepler Gesammelte Werke (3) Œuvres complètes de Christiaan Huygens

(1) Astronomy (2) Exploration du ciel

(1) Astronomy and Cosmogony (2) Eos: or The Wider Aspects of Cosmogony (3) Cosmology: a Text for Colleges

(1) Astronomy of To-Day A Popular Introduction in Non-Technical Language (2) Scientific Ideas of To-Day Popularly Explained

(1) Astronomy, a Handy Manual for Students and Others (2) Chats about Astronomy

(1) Athena: A Yearbook of the Learned World The English-speaking Races (2) The Yearbook of the Universities of the Empire, 1918 1920

(1) Biologia Marina Forme e Fenomeni della Vita nel Mare (2) Piscicoltura Pratica Legislazione sulla Pesca d'Acqua Dolce

(1) Botanisches Jahrbuch (2) Das Pflanzenreich (3) Recueil de l'Institut botanique

(1) Both Sides of Evolution: a Debate. (2) The Dogma of Evolution.

(1) British Museum (Natural History) British Antarctic (Terra Nova) Expedition, 1910 (2) Faune de France 16: Polychètes sédentaires; addenda aux errantes, Archiannélides, Myzostomaires