Küng, Fabian
[Author];
Obrecht, Jakob
[Author];
Hörsch, Waltraud
[Author]
;
Boxler, Heinrich
[Writer of supplementary textual content];
Diaz Tabernero, José
[Writer of supplementary textual content];
Matzke, Michael
[Writer of supplementary textual content];
Nielsen, Ebbe H.
[Writer of supplementary textual content];
Steiner, Hans-Christian
[Writer of supplementary textual content]
Schweizerischer Burgenverein