Large, Special Archive of the Chief Rabbi of Israel, Rabbi Isser Yehuda Unterman - The archive divides into three: First section: Halachic responses, halachic rulings, novellae, Divrei Torah, Derashot - about 400 documents. A partial list: response regarding ”Melacha She'eina Tzricha Le'Gufa” * comment regarding Chabala * regarding ”Dina De'Malchuta Dina” * Psulei Edut (6 leaves) * Gittin * Nezikin - Shabbat Teshuva * rules for marriage registry * saving the lives of many * Hilchot Melicha * plastic surgery * lesson given at ”Shevet Mechokek” Kollel about the giving of a Gett (5 pages) * Novellae of the Shabbat tractate * letter to Rabbi Herzog about ”Makin Oto ad Sh'Tetze Nafsho” * sermon about the importance of Halacha Yomit * letter about a Jew who wants to marry a non-Jewess and convert her to Judaism * using a microphone eon Sabbath * a response on the law of a Jewish slave (3 leaves) * doubts regarding Psulei Kahal * Divrei Torah on Ruth (3 leaves) * the Land of Israel, the unity of the nation and Atchalta De'Ge'ulah * supporting the project of ”Otzar Ha'Poskim” * discussion regarding the Rambam on Kidush Ha'Shem * the conversion to Judaism of a child * mixing powdered milk into bread at the request of physicians and the government (4 leaves) * the value and holiness of Jerusalem * complicated halachic problems regarding Kibbutz Galuyot * responses and long discussions regarding conversion to Judaism today * conversion to Judaism of an adopted child * short words of comforts to the sons of the Rebbe of Sochatchov-Jerusalem * interesting, historical protocol of the Chief Rabbis about the lands of the Jewish National Fund * suggestion regarding genealogy (of Jews of Indian descent). In addition, there is a leaf with Divrei Torah on the Kidushin tractate on which Rabbi Unterman wrote: ”I remember in my youth that the head of the Yeshiva sermonized …” (he is referring to Rabbi Shimon Shkop who Rabbi Unterman was one of his disciples). There is also a leaf on the matter of an Agunah in which he mentions Rabbi Simcha Zelig of Brisk and writes that he studied Torah with him in his youth. About 150 handwritten leaves, dozens of stencil leaves with many handwritten corrections and additions and additional leaves and documents. Second section: letters sent by Rabbi Unterman to Rabbis, Dayanim and Torah scholars all around the world and to important people - about 300 documents. Partial list: letter to Rabbi Yisrael Meir Levitan (author of ”Ishei Yisrael”. 2 letters) * early letter from Liverpool 1939 about several family names in the context of Gittin matters (written on both sides of the page) * letter to Rabbi Yitzchak Yedidya Frankel about grape juice made in Romaina * polemic letter to the chief secretary of the regional Batei Din in Haifa about Rabbi M. who cannot be trusted since he is suspected of being a conservative Jew * response to Rabbi Chaim David Auerbach (2 leaves) * letter of recommendation to Rabbi Binyamin Ze'ev Benedict * greeting letter to Rabbi Raphael Eliyahu Eliezer Mishkovsky * letter to the leaders of the ”Nidchei Yisrael” community * letter to Rabbi Yosef Eliyahu Hankin * letter of recommendation to the Israel Cancer Association * polemic letter to Chief Rabbi, Rabbi Yitzchak Nissim * letter to Rabbi Mordechai Ya'akov Galinkin about Kashrut and the Osem company * letter to Chevra Kadisha of Jerusalem * letter to the citizens of Tel Aviv about the import of meat * response regarding the question whether a Jew can play at a prayer of Christians * letter to the rabbis of Israel (on the matter of the Dayanim) * letter to the mayor of Jerusalem Teddy Kollek * letter to Rabbi Dov Eliezrov * polemic letter to Rabbi Yitzchak Isaac Ha'Levi Herzog * polemic letter to Dr. Chaim Adler * interesting letter to Rabbi Salman Chugi Abudy * letter to the rabbis of Argentine about an Agunah * letter about using a hearing aid on Sabbath (Pesak of the Chazon Ish) * polemic letter to Rabbi Reuben Katz * certificate granting Rabbi Avraham Kilav permission to arrange a marriage. In addition, letters to important people: letter to President Zalman Shazar * letter to the Minister of Religious Services Zerach Varhaftig * letter to Shimon Peres about the use of microphone of Sabbath * response of Rabbi Unterman to the Bengali Company (2 handwritten pages). Among others, letters of various matters of the Chief Rabbinate, greeting letters and letters of condolence. Many letters of recommendation to charity and other institutions and for different rabbis around the world. Various polemic letters. Personal letters, Hechsher certificates and more. 50 handwritten letters. Dozens of additional letters with handwritten additions and his full signature or his signature in initials. Third section: letters by the most prominent rabbis on Divrei Torah, matters of the moment, greetings, letters from famous people around the world - about 250 documents.