Rosh HaShanah.

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Kitzur Hilchot Yom Tov (Rabbi Yaakov Yechezkel Posen)

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Kol Dodi Dofek - Elul & Teshuvah (Rabbi Shalom Schwadron)

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Kuntres Avodat HaTefilah : Rosh HaShanah (Ashkenaz)

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Lev HaShamayim: Rosh HaShanah, Yom Kippur & Sukkot (Rabbi Shlomo Carlebach)

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Likutei Yam HaChochma - Yerach HaEytanim

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Maamrei HaMashgiach Ellul/Tishrei : Rabbi Yerucham Levovitz (vol. #2)

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Maayan HaMoed - Ellul & Tishrei

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Maayan HaMoed (6 volumes)

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Machzor Avodat HaShem - Rosh HaShanah (medium size - Sefard)

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Machzor Avodat HaShem - Rosh HaShanah (small size - Sefard)

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Machzor Avodat HaShem - Rosh HaShanah (small size-Sefard) LEATHER

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Machzor Chelkat Yehoshua - Rosh Hashanah (Ashury)

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Machzor HaRamchal - Sod HaYichud (ROSH HaSHANAH - medium size)

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Machzor Hodaya : Rosh HaShanah (Nusach Sefaradi)

Machzor Kol Yaakov / Ashkenaz - (medium size - 5 vol.)

Machzor Koren - Rosh HaShana (Nusach Sefard)

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Machzor Sepharadi : Avodat HaShem - (5 vol. set)

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Machzor Sepharadi : Le'Maan Shmo B'Ahava (5 vol. set)

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Machzor Sepharadi : Shaarei Yerushalayim (5 vol. set)

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Mateh Efraim HaShalem : Rabbi Efraim Zalman Margaliot (Oz VeHadar Edition)

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Matnat Chaim : Yamim Noraim (Harav Matityahu Chaim Solomon)

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Merapsin Igrai : Moadim (Kushiyot & Terutzim)

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Messilot b'Or HaChassidut : Moadim vol. #3

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Minchat Asher al Moadim : Yamim Noraim (Rabbi Asher Weiss)

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Mishna Berurah - Oz Vehadar HaMevuar Chelek Vav / vol. 2 (medium size)

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Mishna Berurah - Oz Vehadar HaMevuar Chelek Vav / vol. 2 (Yom Tov)

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Mishnah Behirah: (Seder Moed) Rosh HaShanah

Mishnah Shay La'Morah : Rosh HaShanah

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Mishnayot Berurot : ROSH HaSHANAH

Mishnayot Meirot - ROSH HaSHANAH