Paul Tschoffen met Marc Sangnier at a summer social formation programme at Harmel’s Val-de-Bois property in the late 1890s
SOURCE
Letter from Paul Tschoffen to Marc Sangnier, 21 February 1900, IMS unclassified
Paul Tschoffen met Marc Sangnier at a summer social formation programme at Harmel’s Val-de-Bois property in the late 1890s
SOURCE
Letter from Paul Tschoffen to Marc Sangnier, 21 February 1900, IMS unclassified