Items

• Letter from n.d. (Sociologisch Instituut) to Plessner, Helmuth

  1939-10-23
• Letter from n.d. (Sociologisch Instituut) to Plessner, Helmuth

  1939-11-09
• Letter from Heemstra, J.A. to Plessner, Helmuth

  1940-02-27
• Letter from Plessner, Helmuth to Heemstra, J.A.

  1940-03-06
• Letter from Heemstra, J.A. to Plessner, Helmuth

  1940-03-11
• Letter from Hofman, W.A. to Plessner, Helmuth

  1940-03-27
• Letter from Plessner, Helmuth to Heemstra, J.A.

  1940-03-14
• Letter from Cluysenaer, J.L.H. to Plessner, Helmuth

  1940-07-31
• Letter from Cluysenaer, J.L.H. to n.d.

  1940-09-26
• Letter from Plessner, Helmuth (Cultureele Commissie) to Bestuur van de B.G.V.
• Letter from Plessner, Helmuth to Niemeyer, Th.

  1940-11-23
• Letter from Louwes, H.D. to Plessner, Helmuth

  1941-01-06
• Letter from Louwes, H.D. to Plessner, Helmuth

  1941-03-23
• Letter from Addens, N.G. to Plessner, Helmuth

  1941-03-27
• Letter from n.d. (Ministerie van financiën) to n.d.

  1941-07-26
• Letter from Smits, M.H. (Departement van landbouw en visserij) to Hartgerink, M.J.

  1942-02-14
• Letter from Plessner, Helmuth to Schrieke, J.J.

  1942-03-03
• Letter from Cluysenaer, J.L.H. to Plessner, Helmuth

  1942-05-01
• Letter from Schrieke, J.J. to Kantonrechter te Groningen

  1942-08-22
• Letter from Mulder, J.E. to Plessner, Helmuth

  1942-09-15
• Letter from Veen, D. van der to Plessner, Helmuth

  1942-08-10
• Letter from Leeuw, G. van der to Plessner, Helmuth

  1943-02-18
• Letter from Cluysenaer, J.L.H. to Plessner, Helmuth

  1943-09-02
• Letter from Hofstee, E.W. to Plessner, Helmuth

  1944-04-09
• Letter from Cluysenaer, J.L.H. to Plessner, Helmuth

  1944-08-09