| Of High Descent
George Manville Fenn | |
| Of holy disobedience
A. J. Muste | |
| Of Human Bondage
W. Somerset Maugham | |
| Of Medicine, in Eight Books
Aulus Cornelius Celsus | |
| Of Natural and Supernatural Things / Also of the first Tincture, Root, and Spirit of Metals and Minerals, how the same are Conceived, Generated, Brought forth, Changed, and Augmented.
Basilius Valentinus | |
| Of no account
Ruth Lamb | |
| Of one blood: or, The hidden self
Pauline E. Hopkins | |
| Of Six Mediæval Women; To Which Is Added A Note on Mediæval Gardens
Alice Kemp-Welch | |
| Of Stegner's Folly
Richard S. Shaver | |
| Of the Buildings of Justinian
Procopius |
