12977 items

• Letter from Buergi, W. to Plessner, Helmuth
  1937-06-24
• Letter from Hartenbach, M.H. to Plessner, Helmuth
  1936-12-12
• Letter from Buergi, W. to Plessner, Helmuth
  1936-05-04
• Letter from Hake, H. to Plessner, Helmuth
• Letter from Buergi, W. to Plessner, Helmuth
  1936-02-21
• Letter from Hartenbach, M.H. to Buergi, W.
  1936-02-18
• Letter from Hennig to Plessner, Helmuth
  1944-02-09
• Letter from Buergi, W. to Plessner, Helmuth
  1936-02-18
• Letter from Buergi, W. to Plessner, Helmuth
  1935-11-07
• Letter from Buergi, W. to Plessner, Helmuth
  1935-11-01
• Letter from Buergi, W. to Plessner, Helmuth
  1935-10-31
• Letter from Buergi, W. to Plessner, Helmuth
  1935-10-24
• Letter from Hake, H. to Plessner, Helmuth
  1935-06-08
• Letter from Buergi, W. to Plessner, Helmuth
  1935-05-31
• Letter from Plessner, Helmuth to Buergi, W.
  1935-05-16
• Letter from Buergi, W. to Plessner, Helmuth
  1935-05-11
• Letter from Hennig to Plessner, Helmuth
  1944-02-03
• Letter from Hartenbach, M.H. to Buergi, W.
  1935-04-11
• Letter from Plessner, Helmuth to Buergi, W.
  1935-05-09
• Letter from Buergi, W. to Plessner, Helmuth
  1935-03-30
• Letter from Hartenbach, M.H. to Plessner, Helmuth
  1935-03-27
• Letter from Plessner, Helmuth to Buergi, W.
  1935-03-27
• Letter from Plessner, Helmuth to Hartenbach, M.H.
  1935-03-25
• Letter from Plessner, Helmuth to Hartenbach, M.H.
  1935-03-15
• Letter from Plessner, Helmuth to Hartenbach, M.H.
  1935-01-25