| תיאור | שנה | סימול | |
|---|
| Letter from Theodor Herzl to Jeanette Herzl from Paris regarding meeting with Joseph Cowen, Leopold Jacob Greenberg and David Wolffsohn; typed copy | | H1\140-12 | |
| Letter from Joseph Cowen to Theodor Herzl. Note by Herzl on back page | | H1\1118-17 | |
| Letter from Joseph Cowen to Theodor Herzl regarding Herzl being called to give evidence before the British Royal Commission on Alien Immigration, and a lawsuit against the newspaper "Jewish Chronicle" | | H1\1119-15 | |
| Letter from Joseph Cowen to Theodor Herzl regarding difference of opinion concerning approach of "Schneider" (Code for Lord Henry Lansdowne) | | H1\1119-32 | |
| Letter from Joseph Cowen to Theodor Herzl regarding the appointment of [?] Guilaroff as secretary of the South African Zionist Federation | | H1\1120-4 | |
| Letter from Joseph Cowen to Theodor Herzl regarding controversies between Herzl and Leopold Greenberg | | H1\1120-7 | |
| Letter from Joseph Cowen to Theodor Herzl regarding organizing a conference of men close to Herzl | | H1\1120-6 | |
| Letter from Joseph Cowen to Theodor Herzl regarding trip to Vienna | | H1\1120-24 | |
| Letter from Joseph Cowen to Theodor Herzl regarding general elections | | H1\1120-28 | |
| התכתבות משנת 1922 בין ד"ר ורבורג לבין Joseph cowen | | DD1\3512-1t | |
| Letters from Joseph Cowen, 1912-1918 | | A119\247-2t | |
| Correspondence with Leo Lauterbach, Leo Herrmann, Joseph Cowen, Louis Lipsky, Keren Hayesod (Hans Kohn, London) | | LK3\13-1t | |
| | תיאור:
Letter from Theodor Herzl to Jeanette Herzl from Paris regarding meeting with Joseph Cowen, Leopold Jacob Greenberg and David Wolffsohn; typed copy סימול:
H1\140-12 | |
| | תיאור:
Letter from Joseph Cowen to Theodor Herzl. Note by Herzl on back page סימול:
H1\1118-17 | |
| | תיאור:
Letter from Joseph Cowen to Theodor Herzl regarding Herzl being called to give evidence before the British Royal Commission on Alien Immigration, and a lawsuit against the newspaper "Jewish Chronicle" סימול:
H1\1119-15 | |
| | תיאור:
Letter from Joseph Cowen to Theodor Herzl regarding difference of opinion concerning approach of "Schneider" (Code for Lord Henry Lansdowne) סימול:
H1\1119-32 | |
| | תיאור:
Letter from Joseph Cowen to Theodor Herzl regarding the appointment of [?] Guilaroff as secretary of the South African Zionist Federation סימול:
H1\1120-4 | |
| | תיאור:
Letter from Joseph Cowen to Theodor Herzl regarding controversies between Herzl and Leopold Greenberg סימול:
H1\1120-7 | |
| | תיאור:
Letter from Joseph Cowen to Theodor Herzl regarding organizing a conference of men close to Herzl סימול:
H1\1120-6 | |
| | תיאור:
Letter from Joseph Cowen to Theodor Herzl regarding trip to Vienna סימול:
H1\1120-24 | |
| | תיאור:
Letter from Joseph Cowen to Theodor Herzl regarding general elections סימול:
H1\1120-28 | |
| | תיאור:
התכתבות משנת 1922 בין ד"ר ורבורג לבין Joseph cowen סימול:
DD1\3512-1t | |
| | תיאור:
Letters from Joseph Cowen, 1912-1918 סימול:
A119\247-2t | |
| | תיאור:
Correspondence with Leo Lauterbach, Leo Herrmann, Joseph Cowen, Louis Lipsky, Keren Hayesod (Hans Kohn, London) סימול:
LK3\13-1t | |