Books in Browsing: Science - General (sorted alphabetically)
- Ancient Plants Marie Carmichael Stopes
- Andreas Vesalius, the Reformer of Anatomy James Moores Ball
- Andrée and His Balloon Henri Lachambre and Alexis Machuron
- Anecdotes of Big Cats and Other Beasts David Alec Wilson
- aneroid barometer: its construction and use George W. Plympton
- Animal Behaviour C. Lloyd Morgan
- Animal Castration Alexandre François Augustin Liautard
- Animal intelligence: Experimental studies Edward L. Thorndike
- Animal Intelligence George John Romanes
- Animal Life and Intelligence C. Lloyd Morgan
- Animal Life in Field and Garden Jean-Henri Fabre
- Animal Life of the British Isles Edward Step
- Animal Locomotion; or, walking, swimming, and flying James Bell Pettigrew
- Animal Parasites of Man Harold Benjamin Fantham, J. W. W. Stephens, Fred. V. Theobald, and Max Braun
- Animal portraiture Richard Lydekker
- Animal Proteins Hugh Garner Bennett
- Animals of the Past Frederic A. Lucas
- Animal World, A Book of Natural History Theodore Wood
- Annotated Check List of the Mammals of Michoacán, México E. Raymond Hall and Bernardo Villa Ramírez
- Antarctic Penguins: A Study of Their Social Habits G. Murray Levick
- Anticipations H. G. Wells
- Antiquity of Man Sir Charles Lyell
- Antony van Leeuwenhoek, de ontdekker der infusorien, 1675-1875 (Dutch) P. J. Haaxman
- Ants and Some Other Insects: An Inquiry Into the Psychic Powers of These Animals Auguste Forel
- Aphorisms and Reflections from the works of T. H. Huxley Thomas Henry Huxley