Zehnder, David: Homepage, Stand November 2017: http://www.davidzehnder.com.
Culture Valais, Kultur Wallis: Zehnder, David, in: Agenda culture valais, FotografInnen Photographe, Stand November 2017: http://agenda.culturevalais.ch/de/artist/show/47.
Schmidt, Carlo: Photo Expo Leuk 2016, Leuk: Schloss Leuk 2016.
Photo Expo Leuk 2016
Enquête photographique valaisanne, eq2, Contre-pied