Erard A. Matthiessen
type: Person
description: Architect and conservationist
birth date: 1902-00-00
death date: 2000-00-00
parent: Conrad Henry Matthiessen
children: Peter Matthiessen
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citations:
  source: Virtual International Authority File
  stated in qid: Q54919
  retrieved: 2020-05-07
citations:
  source: Faceted Application of Subject Terminology
  stated in qid: Q3294867
  retrieved: 2020-05-07
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  data source: Wikidata (CC0 / public domain)
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  api version: v1
  served at: 2026-08-25T05:02:43.057463Z
  entity updated at: 2026-05-03T16:20:22.557058+00:00Z
  entity created at: 2026-05-03T13:51:33.363379+00:00Z