Mishna

The first layer of Jewish oral law, written down in Palestine around 200 CE. The Mishna consists of six books or sedarim (orders), each of which contains seven to twelve tractates or masechtot (singular masechet). The books are Zeraim (Seeds), Moed (Festival), Nashim (Women), Nezikin (Damages), Kodashim (Holy Things), and Tehorot (Purities).