- Author: Karl Popper (auth.)
- Language: German
- Year: 1935
- Author: Otto Neurath (auth.)
- Language: German
- Year: 1931
- Author: Richard von Mises (auth.)
- Language: German
- Year: 1936
- Author: Richard von Mises (auth.)
- Language: German
- Year: 1928
- Author: Rudolf Carnap (auth.)
- Language: German
- Year: 1934
- Author: Dr. Rudolf Carnap (auth.)
- Language: German
- Year: 1929
- Author: Philipp Frank (auth.)
- Language: German
- Year: 1932