- Die Organisation der Rohstoffversorgung
- The Children of the Top Floor
- Valerius Terminus; of the interpretation of nature
- A Roman Singer
- Fifty Famous People
- A Sunny Little Lass
- Schetsen uit de Indische Vorstenlanden
- Viriatho
- A Grammar of Freethought
- What to Do?
- Een feudale familie in Egypte
- Briefe an eine Freundin
- Handbuch der deutschen Kunstdenkmäler, Bd.1, Mitteldeutschland, 1914
- Briefe aus der Schweiz
- Hollyhock
- Stickeen
- Shakespeare's Lost Years in London, 1586-1592
- The Adventures of Akbar
- Wild Western Scenes
- Unterhaltungen deutscher Ausgewanderten
- The Mountains of California
- A Question of Latitude
- Blicke in das Leben der Zigeuner
- Buccaneers and Pirates of Our Coasts
- Quotes and Images from the Writings of Abraham Lincoln
- De grondbeginselen der Nederlandsche spelling
- With Zola in England
- The Way To Geometry
- The Confessions of J. J. Rousseau — Complete
- Toasts and Forms of Public Address for Those Who Wish to Say the Right Thing in the Right Way
- Ueber die Geometrie der alten Aegypter.
- Briefe Schillers und Goethes an A. W. Schlegel
- The Beacon Second Reader
- A Strange Story — Volume 04
- Practical Education, Volume II
- Letters on the Improvement of the Mind, Addressed to a Lady
- The Quest of the Simple Life
- Die Postgeheimnisse
- Anzeiger des Germanischen Nationalmuseums, Jg. 1900
- The Holy Cross and Other Tales
- La Constantin
- Stories for Helen