Items

• Letter from Koenig to n.d.

  1926-07-29
• Letter from Koenig to n.d.

  1926-12-31
• Letter from Koenig to n.d.

  1927-06-13
• Letter from Koenig to n.d.

  1927-06-13
• Letter from Koenig to n.d.

  1927-05-31
• Letter from Koenig to n.d.

  1927-06-14
• Letter from Koenig to n.d.

  1927-07-02
• Letter from Koenig to n.d.

  1927-07-02
• Letter from Koenig to n.d.

  1927-07-06
• Letter from Plessner, Helmuth to n.d.

  1927-07-09
• Letter from Koenig to Plessner, Helmuth

  1929-01-26
• Letter from Koenig to n.d.

  1927-07-25
• Letter from Meiner, Felix to Plessner, Helmuth

  1929-08-07
• Letter from Koenig to Plessner, Helmuth

  1927-10-22
• Letter from Koenig to Plessner, Helmuth

  1927-08-27
• Letter from Koenig to Plessner, Helmuth

  1927-10-31
• Letter from Koenig to Plessner, Helmuth

  1928-01-26
• Letter from Koenig to Plessner, Helmuth

  1928-02-10
• Letter from Koenig to Plessner, Helmuth

  1928-03-12
• Letter from Koenig to Plessner, Helmuth

  1928-05-11
• Letter from Koenig to Plessner, Helmuth

  1928-05-18
• Letter from König to Plessner, Helmuth

  1929-08-01
• Letter from Brinkmann (Handwerkskammer Hildesheim) to Plessner, Helmuth

  1957-09-04
• Letter from Plessner, Helmuth to Brinkmann (Handwerkskammer Hildesheim)

  1957-09-13
• Letter from n.d. to Plessner, Helmuth

  1951-02-07