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Helmcken, John Sebastian, 1824-1920
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Helmcken family fonds

  • PR-0272
  • Fonds
  • [ca. 1865]-1975

Fonds consists primarily of correspondence and photographs of three generations of the Helmcken family. The fonds also includes a scrapbook, certificates, family tree, and other material relating to the family’s private and professional activities.

Helmcken, John Sebastian, 1824-1920