| תיאור | שנה | סימול | |
|---|
| Letter and newspaper clipping from Ludwig Klausner to Theodor Herzl | 1897- 1897 | H1\1465 | |
| Letters from Alfred Kerr to Theodor Herzl regarding an article in the newspaper "Neue Freie Presse" | 1900- 1900 | H1\1460 | |
| Postcard from E[?] Kempe to Theodor Herzl | 1903- 1903 | H1\1458 | |
| Letters from S[?] Klatschko to Theodor and Jacob Herzl regarding the Armenian political activist and revolutionary Avetis Nazarbekian (Nazarbek) and the publication of Herzl's booklet "Der Judenstaat" in Russian | 1896- 1896 | H1\1464 | |
| Letter from Victor Klarwill to Theodor Herzl regarding private matters | 1898- 1898 | H1\1463 | |
| Letter from A[?]. Kireff/Kireyev (Russian court official) to Theodor Herzl regarding a shipment of books and an interview | 1903- 1903 | H1\1462 | |
| Letter to [?] Jauner from Countess Kielmansegg regarding Theodor Herzl's play "Das neue Ghetto" | 1898- 1898 | H1\1461 | |
| Letter and postcard from Alfred M. von Krendler to Theodor Herzl | 1890- 1890 | H1\1459 | |
| Copies and negatives of Leon Kellner's correspondence and notes from files H1\1455 and H1\1456 | | H1\1457 | |
| Various notes for Leon Kellner's biography of Theodor Herzl | | H1\1456 | |
| Letter from "Jung-Israel" (Juedisch-nationaler Verein) to Theodor Herzl | 1896- 1896 | H1\1424 | |
| Letters and postcards from Leon Kellner to Theodor Herzl and others regarding literary matters and the Zionist organization | 1896- 1903 | H1\1455 | |