Roman Vishniac [Boy learning to milk cows by using a model of a cow's udders, Niederschönhausen, an occupational training camp for German Jews hoping to emigrate, Pankow, Berlin]
Roman Vishniac [Students learning metalwork techniques, Society for Trades and Agricultural Labor (ORT), Marseille, France]
Roman Vishniac [Ernst Kaufmann, center, and unidentified Jewish youth, wearing clogs while learning construction techniques in a quarry, Werkdorp Nieuwesluis, Wieringermeer, The Netherlands]
