| Under the Ensign of the Rising Sun
Collingwood Harry | |
| Under the Ensign of the Rising Sun: A Story of the Russo-Japanese War
Harry Collingwood | |
| Under the Flag of France: A Tale of Bertrand du Guesclin
David Ker | |
| Under the German shells
Emmanuel Bourcier | |
| Under the Great Bear
Kirk Munroe | |
| Under the Greenwood Tree; Or, The Mellstock Quire / A Rural Painting of the Dutch School
Thomas Hardy | |
| Under the guns
Annie Wittenmyer | |
| Under the Hill, and Other Essays in Prose and Verse
Aubrey Beardsley | |
| Under the Holly: Christmas-Tide in Song and Story
Unknown | |
| Under the Law
Edwina Stanton Babcock |
