Books: co re co co re co re education (sorted alphabetically)
- Antiquities of the Mesa Verde National Park: Cliff Palace Jesse Walter Fewkes
- Anti-Slavery Alphabet Anonymous
- Antología de prosistas castellanos (Spanish)
- Antología portorriqueña: Prosa y verso (Spanish) Manuel Fernández Juncos
- Anttonius Putronius eli Antto Puuronen: Ilveilys viidessä näytelmässä (Finnish) Ludvig Holberg
- Anzeiger für Kunde der deutschen Vorzeit (Jg. 26, 1879) (German) Various
- Aphorisms and Reflections from the Works of T. H. Huxley Thomas Henry Huxley
- apiary; or, bees, bee-hives, and bee culture [1878] Alfred Neighbor
- Apologues modernes, à l'usage du Dauphin (French) Sylvain Maréchal
- apology for idlers, and other essays Robert Louis Stevenson
- Apology for the True Christian Divinity Robert Barclay
- Apothecary in Eighteenth-Century Williamsburg Thomas K. Ford
- Appeal to the Christian Women of the South Angelina Emily Grimké
- Apple Growing M. C. Burritt
- Appletons' Popular Science Monthly, February 1899 Various
- Appletons' Popular Science Monthly, May 1899 Various
- Applied Design for Printers Harry Lawrence Gage
- Appreciation of Music - Vol. 1 (of 3) Daniel Gregory Mason and Thomas Whitney Surette
- Arago et sa vie scientifique (French) Joseph Bertrand
- araña negra, t. 6/9 (Spanish) Vicente Blasco Ibáñez
- Aratra Pentelici, Seven Lectures on the Elements of Sculpture John Ruskin
- árbol de la ciencia: novela (Spanish) Pío Baroja
- Arbor Day Leaves Nathaniel Hillyer Egleston
- Archæology and the Bible George A. Barton
- Arche de Noé (French) André Hellé