Felix Leopold Oswald

• Streifzüge in den Urwäldern von Mexico und Central-Amerika
• The Bible of Nature ; Or, The Principles of Secularism: A Contribution to the Religion of the Future
• The Secret of the East
• Physical Education; or, the Health-Laws of Nature
• Physical Geography of the West Indies
• Poison Problem; or, the Cause and Cure of Intemperance
• Streifzüge in Den Urwäldern Von Mexico und Central-Amerika. Mit 76 Abbildungen, Etc
• Zoological Sketches - a Contribution to the Out-Door Study of Natural History