Gottfried Keller
![Keller around 1885](https://upload.wikimedia.org/wikipedia/commons/e/ed/Johannes_Ganz_Gottfried_Keller_1885.jpg)
1
Published: 1984
Superior document: Die großen Klassiker
2
Published: 1919
3
4
5
Published: [1981]
Superior document: Lied und Lyrik [3]
6
Published: 1971