| Discourses of Keidansky
Bernard G. Richards | |
| Discourses on a Sober and Temperate Life / Wherein Is Demonstrated, by His Own Example, the Method of Preserving Health to Extreme Old Age
Luigi Cornaro | |
| Discourses on Satire and on Epic Poetry
John Dryden | |
| Discourses on the First Decade of Titus Livius
Niccolò Machiavelli | |
| Discourses on Various Subjects, Vol. 1 (of 2)
Jacob Duché | |
| Discourses: Biological & Geological / Essays
Thomas Henry Huxley | |
| Discover the Excitement of Hairpin Lace
Unknown | |
| Discoverers and Explorers
Edward R. Shaw | |
| Discoveries Among the Ruins of Nineveh and Babylon
Austen Henry Layard | |
| Discoveries and Inventions of the Nineteenth Century
Robert Routledge |
