Articles:
“Die Kletterkünstler” (2012, Anika Müller) – HAZ Hannover
“Jugendbotschafter des Klettersports” (2011, Anika Müller) – DAV Panorama
“Nichts für Kraftmeier” (2009, Anja Metzmacher) – HAZ Hannover
Interviews:
“Brothers in arms: meet David and Ruben Firnenburg” (2014) – Restjug.com
“Youth versus Senior?” (2011) – Belclimb.net
Future forum: “Young guns & old dogs” (2011) – Climax Issue#11