4 books in series

Sämtliche Werke in fünf Bänden (Arthur Schopenhauer)

Sämtliche Werke in fünf Bänden (Arthur Schopenhauer) is a 4-book series with 4 released primary works first released in 1818 with contributions by Arthur Schopenhauer.

The world as will and representation
The World as Will and Representation
Parerga and Paralipomena
Parerga und Paralipomena II. Erster Teilband