The Mishnah or Mishna (/ˈmɪʃnə/; מִשְׁנָה‬, "study by repetition", from the verb shanah שנה‬, or "to study and review", also "secondary")[1] is the first major written collection of the Jewish oral traditions known as the "Oral Torah". It is also the first major work of Rabbinic literature.[2][3] The Mishnah was redacted by Judah the Prince at the beginning of the third century CE[4] in a time when, according to the Talmud, the persecution of the Jews and the passage of time raised the possibility that the details of the oral traditions of the Pharisees from the Second Temple period (536 BCE – 70 CE) would be forgotten. Most of the Mishnah is written in Mishnaic Hebrew, while some parts are Aramaic. (from Vikipedia)

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The six Shisha Sedarim of the Mishnah (Mishna) are:
1. Seder Zeraim ("Seeds"), dealing with prayer and blessings, tithes and agricultural laws 11 tractates - Berakhot, Peah, Demai, Kilayim, Sheviit, Terumot, Maasrot, Maaser Sheni, Challah, Orlah, Bikkurim.

2. Seder Moed ("Festival"), pertaining to the laws of the Sabbath and the Festivals
12 tractates - Shabbat, Eruvin, Pesachim, Shekalim, Yoma, Sukkah, Beitzah, Rosh Hashanah, Taanit, Megillah, Moed Katan, Chagigah

3. Seder Nashim ("Women"), concerning marriage and divorce, some forms of oaths and the laws of the nazirite
7 tractates - Yevamot, Ketubot, Nedarim, Nazir, Sotah, Gittin, Kiddushin

4. Seder Nezikin ("Damages"), dealing with civil and criminal law, the functioning of the courts and oaths
10 tractates - Bava Kamma, Bava Metzia, Bava Batra, Sanhedrin, Makkot, Shevuot, Eduyot, Avodah Zarah, Pirkei Avot, Horayot

5. Seder Kodashim ("Holy things"), regarding sacrificial rites, the Temple, and the dietary laws
11 tractates - Zevachim, Menachot, Chullin, Bekhorot, Arakhin, Temurah, Keritot, Meilah, Tamid, Middot, Kinnim

6. Seder Tohorot ("Purities"), pertaining to the laws of purity and impurity, including the impurity of the dead, the laws of food purity and bodily purity
12 tractates - Kelim, Oholot, Negaim, Parah, Tahorot, Mikvaot, Niddah, Makhshirin, Zavim, Tevul Yom, Yadayim, Oktzin


More biblical sources:
Commentary:
Bartenura on Mishnah Pesachim,Ikar Tosafot Yom Tov on Mishnah Nazir,Exodus,Ikar Tosafot Yom Tov on Mishnah Sotah,Bartenura on Mishnah Bikkurim,Bartenura on Mishnah Shabbat,Bartenura on Mishnah Eruvin,Ikar Tosafot Yom Tov on Mishnah Yoma,Bartenura on Mishnah Yoma,Bartenura on Mishnah Ketubot,Rambam on Mishnah Bava Kamma,Bartenura on Mishnah Bava Metzia,Rambam on Mishnah Bava Metzia,Yachin on Mishnah Bava Batra,Ikar Tosafot Yom Tov on Mishnah Sanhedrin,Rambam on Mishnah Sanhedrin,Ikar Tosafot Yom Tov on Pirkei Avot,Bartenura on Pirkei Avot,Rabbeinu Yonah on Pirkei Avot,Tosafot Yom Tov on Pirkei Avot,Rambam on Pirkei Avot,Yachin on Pirkei Avot,Avodat Yisrael,Derech Chaim,Rashi on Avot,Bartenura on Mishnah Menachot,Bartenura on Mishnah Chullin,Bartenura on Mishnah Mikvaot,Bartenura on Mishnah Berakhot,Bartenura on Mishnah Peah,Siftei Chakhamim,Bartenura on Mishnah Makkot,Bartenura on Mishnah Horayot,Rambam on Mishnah Horayot

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