Videos
ETH Library: Treasure Troves: Image Archive – One of ETH Library’s Collections & Archives, 2021
ETH Library: Georeferenzierung on sMapshot (Explora Story). Interview with Urs Witmer, 2020
ETH Library: Crowdsourcing at the Image Archive of ETH Library (with englisch subtitles), 2016
ETH Library: Treasure Troves: Image Archive – One of ETH Library’s Collections & Archives, 2016