09.04.2022 Tagber: Making the Social World Objective. Theoretical, Practical, and Visual Forms of Social and Economic Knowledge, 1850–2000 Claire-Lise Debluë, University of Zurich; Alix Heiniger, University of Fribourg, Laure Piguet, University of Geneva Zurich 10.11.2021 - 11.11.2021