I possess full scans of all of these. I also have various (physical) Persian and (scanned) Arabic books but they are not that relevant to IPA. These are all (as far as I'm aware) unavailible on the internet. The headers are the authors! Currently only includes full books but I also have scans of articles from periodicles unavailible online which I will add some time.

• דרכים חדשות למימון המפעל הציוני, הלשכה הראשית של הקרן הקימת לישראל, ירושלים‎ (New Ways to Finance the Zionist Enterprise, Main Bureau of the Jewish National Fund, Jerusalem)

• כתבי בר בורוכוב, כרכים א', ב', וג'‎ (The Writings of Ber Borochov, all three volumes)

• Letters and Papers of Chaim Weizmann, Series B, Vol. 1.
• "Our Cause and Our Case", in The New Judæa, Oct. 1936.

• יומן מלחמה (1947–1949), כרכים א', ב', וג'‎ (War Diary (1947–1949), all three volumes)
• "Objectives for the Zionist Congress" in Jewish Frontier, Nov. 1946.
• "Four Points" Jewish Frontier, Sep. 1947.
• "Principles for the Jewish State" Jewish Frontier, Feb. 1948.

• Henrietta Szold: Life and Letters

• Speeches, Articles and Letters of Israel Zangwill

• מחיי יוסף טרומפלדור‎ (From the Life of Joseph Trumpeldor, 1953 edition. A collection of his letters)

• כתבים ציוניים, כרכים א', ב', ג', וד'‎ (Zionist Writings, all 4 volumes)
• Max Nordau to his People (A Collection of Zionist Congress Addresses)

• כתבי מאיר בר אילן‎ (The Writings of Meir Bar-Ilan)
• מוולוז'ין עד ירושלים, כרכים א' וב'‎ (From Volozhin to Jerusalem, Volumes 1 and 2)

• מכתבים לצינה‎ (Letters to Zina)

• ספר אוסישקין‎ (The Book of Ussishkin)

• כל כתבי הרב יהודה אלקלעי, כרכים א' וב'‎ (The Complete Works of Rabbi Judah Alkalai, both volumes)

• From Ghetto to Israel: The Memoirs of Selig Brodetsky

• התחייה הלאומית של העם היהודי‎ (The National Revival of the Jewish People)

• Rabbi Samuel Mohaliver (Compiled by Isaac Rivkind/M. Ben-Zvi)

• כתבי יצחק בן-צבי, כרכים א', ב', ג', ד', וה'‎ (The Writings of Itzhak Ben-Zvi, all 5 volumes)

• יומני ואגרות לבנים, כרכים א–ג (1927–1948)‎ (Diaries and Letters to the Sons, Volumes 1–3)
• "The New Settlements" in Jewish Frontier, July 1947.

• כתביו הציוניים של קלישר‎ (The Zionist Writings of Kalischer)

• "Comments on 'A Parable of Alienation' " in Jewish Frontier, Dec. 1946.

• "The Beginnings of American Zionism", in Jewish Frontier, Aug. 1947.

• "Elements of Zionism"

• The Palestine Plantations Trust, 1927.

• "The Jewish Economic Structure in Palestine", in The New Judæa, Oct. 1936

• ספר מוצקין‎ ׂ(The Book of Motzkin)

• Protocols of the 1919 meetings