The Mishnah is the first written collection of the Jewish oral traditions. These oral traditions are known as the "Oral Torah", to differentiate them from the Torah, and both are believed in rabbinic
Mishna study, Pinsk 1924
11th century mishnah codex, Biblioteca Palatina, Parma
Gemara students using the Mishnah Sdura to note their summary of each sugya alongside its Mishnah
Set of Mishna Kehati: modern print on top row; old format beneath
The Jerusalem Talmud, also known as the Talmud of the Land of Israel or Palestinian Talmud, is a collection of rabbinic commentary on the Mishnah, a codification of Jewish oral traditions believed to
Mishnah
…authoritative and binding revelation by most Orthodox Jews and some non-Orthodox Jews. The Mishnah is also the basis of the Babylonian Talmud and the Jerusalem Talmud, which are both commentaries on the Mishnah. According to tradition, the Mishnah arose during the persecution of Jews in the late second or early third…
A page of a medieval Jerusalem Talmud manuscript, from the Cairo Geniza.
Mosaic of Rehob (3rd–6th century CE), quoting a baraita which also appears in the Jerusalem Talmud (Shviit 6:1)