The Principles of Human Knowledge

General Theory of Knowledge

Meditation of an Emperor: The Thoughts of Marcus Aurelius

The Transylvanian Saxons: and their Superstitions

Philosophy of the Enlightenment

Explanation of the Sermon of Jesus on the Mount

Why Do Men Stupefy Themselves?

History of Linguistic Science

History of Ulysses and the Fall of Troy

Brief History of Photography: and the Progress of its Invention

Homer: The Great Poet and the Classical Philology

Balzac : Life and Work of a Great Author

Life and Writings of Goethe

Eulogy of our Friend the Dog

Lasting Happiness and Well-Being

Apollo: The Myth of the Beautiful God

Chopin: Life and Work of the Great Musician