1
Published: 2010
Superior document: Werke Reihe 1, Bd. 14
2
Published: ©, 2013
Superior document: Werke Reihe 1, Bd. 5b
3
Published: ©, 2001
Superior document: Werke Reihe 32, Bd. 2
4
Published: 2008
Superior document: Werke Reihe 1, Bd. 5a
5
Published: 2004
Superior document: Werke Reihe 9
6
Published: 2018
Superior document: Werke Reihe 22 Band 3 2. Folge
7
Published: ©, 2000
Superior document: Werke Reihe 27, Bd. 1
8
Published: 2004
Superior document: Werke Reihe 10
9
Published: 2016
Superior document: Werke Reihe 18 Band 2 2. Folge