| תיאור | שנה | סימול | |
|---|
| Letter from C. A[?]. Kowark to Theodor Herzl | 1887- 1887 | H1\1498 | |
| Letters from "Kosmos" publishing house to Theodor Herzl regarding the publication of writings by Herzl | 1886- 1889 | H1\1497 | |
| Letter from R. A.[?] Koernig to Theodor Herzl | 1903- 1903 | H1\1495 | |
| Letters and cards from Sigmund Kornfeld to Theodor Herzl regarding Heinrich York-Steiner, Moritz Guedemann, [?] Bloch and [?] Lichtenecker | 1897- 1901 | H1\1494 | |
| Letter from J. [?] Kopp-Tanner to Theodor Herzl | 1899- 1899 | H1\1493 | |
| Transcript of letter from Levy Koponsky (cigarette manufacturer) to Theodor Herzl | 1903- 1903 | H1\1491 | |
| Letter and visiting cards with notes from Arpad J. Koppay to Theodor Herzl | 1897- 1898 | H1\1492 | |
| Letter from Jacob Kopelowicz to Theodor Herzl | 1896- 1896 | H1\1490 | |
| Letter from Jacques Konstantinowsky, Odessa, to Theodor Herzl | 1899- 1899 | H1\1489 | |
| Telegram from [?] Konried to Theodor Herzl | 1899- 1899 | H1\1488 | |
| Letter from Baruch Koenigsberg to Theodor Herzl | 1904- 1904 | H1\1487 | |
| Letters from Rudolf Kollisch to Theodor Herzl regarding Herzl's booklet "Der Judenstaat" and Zionist activities | 1896- 1896 | H1\1486 | |