Items

• Letter from Dessoir to n.d.

  1925-09-09
• Letter from Kolle, Kurt to Plessner, Helmuth

  1928-06-25
• Letter from Merbach, Paul Alfred to Plessner, Helmuth

  1925-08-21
• Letter from Plessner, Helmuth to Kolle, Kurt

  1928-07-11
• Letter from HerMüller, Hauswolf to Plessner, Helmuth

  1925-08-25
• Letter from Grave, Friedrig to Plessner, Helmuth

  1924-05-27
• Letter from Plessner, Helmuth to n.d.

  1923-05-13
• Letter from Joël, Karl to Plessner, Helmuth

  1925-03-20
• Letter from Martin, John to Plessner, Helmuth

  1962-03-21
• Letter from Hirsch, Walter (Department of Health Illinois) to Gerty, Francis, J.

  1963-04-10
• Letter from Metzger, Arnold to Plessner, Helmuth

  1950-06-24
• Letter from Plessner, Helmuth to Metzger, Arnold

  1948-06-11
• Letter from Plessner, Helmuth to Metzger, Arnold

  1924-05-27
• Letter from Metzger, Arnold to Plessner, Helmuth

  1914-03-20
• Letter from Plessner, Helmuth to Metzger, Arnold

  1914-03-22
• Letter from Plessner, Helmuth to Metzger, Arnold

  1914-03-07
• Letter from Plessner, Helmuth to Metzger, Arnold

  1914-02-25
• Letter from Metzger, Ilse to Plessner, M.

  1976-06-03
• Letter from Plessner, Helmuth to Metzger, Arnold
• Letter from Plessner, Helmuth to Metzger, Arnold

  1972-09-17
• Letter from Plessner, Helmuth to Metzger, Arnold

  1972-02-18
• Letter from Metzger, Arnold to Plessner, Helmuth

  1967-05-08
• Letter from Plessner, Helmuth to Metzger, Arnold

  1967-03-17
• Letter from Metzger, Arnold to Plessner, Helmuth

  1953-02-09
• Letter from Plessner, Helmuth to Metzger, Arnold

  1951-04-17