COLLECTED BY
Organization: ETH Zürich, ETH-Bibliothek, Hochschularchiv der ETH Zürich
Archive-It Partner 2240: ETH Zürich, ETH-Bibliothek, Hochschularchiv der ETH Zürich
Collection: ETH Zürich Collection
Archive-It Partner 2240: ETH Zürich, ETH-Bibliothek, Hochschularchiv der ETH Zürich - Collection 18167: ETH Zürich Collection
TIMESTAMPS
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