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Manuscripts, correspondence, documents, files, letters, biographies

Correspondence, work manuscripts, life documents, collections

Biographical materials, correspondence (including the correspondence with Georg Schweinfurth), materials about the African researcher Schweinfurth, materials from third parties and about third parties.

Agreement on the investigation of a tin deposit

Transcripts of letters: to Bank Director H. Sthamer, Banco Alemano Transatlantico, Rio de Janeiro; to Dr. Rau, Medico [ophthalmologist], Santa Maria (Rio Grande del Sul); from F. von Huene to the Director of the Museo Nacional, Rio de Janeiro

Bomb attack on Helsinki