Old Mam'selle's Secret. By E. Marlitt.
Old Mortality. By Sir Walter Scott.
Old Myddleton's Money. By Mary Cecil Hay.
Oliver Twist. By Charles Dickens.
Only a Word. By George Ebers.
Only the Governess. By Rosa N. Carey.
On the Heights. By Berthold Auerbach.
Origin of Species. By Charles Darwin.
Other Worlds Than Ours. By Richard Proctor.
Our Bessie By Rosa N. Carey.