Items

• Letter from David, Henry (New School for Social Research) to Plessner, Helmuth

  1961-03-27
• Letter from Plessner, Helmuth to David, Henry (New School for Social Research)

  1961-11-24
• Letter from Mayer, Carl (New School for Social Research) to Plessner, Helmuth

  1962-01-10
• Letter from David, Henry (New School for Social Research) to Plessner, Helmuth

  1962-01-19
• Letter from Kolb (Auswärtiges Amt) to Plessner, Helmuth

  1964-11-26
• Letter from Greenberg, H. (New School for Social Research) to Plessner, Helmuth

  1962-02-05
• Letter from Plessner, Helmuth to Greenberg, H. (New School for Social Research)

  1962-02-09
• Letter from Greenberg, H. (New School for Social Research) to Plessner, Helmuth

  1962-02-12
• Letter from Mayer, Carl (New School for Social Research) to Plessner, Helmuth

  1962-01-10
• Letter from Plessner, Helmuth to Greenberg, H. (New School for Social Research)

  1962-02-19
• Letter from Plessner, Helmuth to Mayer, Carl (New School for Social Research)

  1962-02-28
• Letter from Mayer, Carl (New School for Social Research) to Plessner, Helmuth

  1962-03-07
• Letter from White, Howard B. (New School for Social Research) to Plessner, Helmuth

  1962-02-27
• Letter from Plessner, Helmuth to White, Howard B. (New School for Social Research)

  1962-03-14
• Letter from White, Howard B. (New School for Social Research) to Plessner, Helmuth

  1962-06-01
• Letter from Plessner, Helmuth to Kolb (Auswärtiges Amt)

  1964-12-05
• Letter from Krause-Wichmann, G. (Auswärtiges Amt) to Plessner, Helmuth

  1962-04-10
• Letter from Emge, Martinus (Auswärtiges Amt) to Plessner, Helmuth

  1962-07-10
• Letter from Emge, Martinus (Auswärtiges Amt) to Plessner, Helmuth

  1962-08-17
• Letter from Russel, Haide (German Consulate) to U.S. Immigration and Naturalization

  1963-02-14
• Letter from Russel, Haide (German Consulate) to Plessner, Helmuth

  1963-07-01
• Letter from Veve, J. (North German Lloyd) to Plessner, Helmuth

  1963-07-03
• Letter from Russel, Haide (German Consulate) to Plessner, Helmuth

  1963-07-09
• Letter from Federer (German Consulate) to n.d. (Auswärtiges Amt)

  1963-05-29
• Letter from Rhamm, von (German Consulate) to n.d. (Auswärtiges Amt)

  1963-08-09