Linked from
The 37 pages that link to Mishnah, each with the reason it gives.
HalakhaBroader topic: Its concise legal rulings became the Talmud’s principal subject.
PassoverRelated: Its tractate Pesachim preserves detailed rules for Passover and the seder.
Oral TorahBroader topic: It is the earliest major written compilation of Oral Torah.
Ritual purityRelated: Its tractates organize purity laws into a detailed legal system.
MitzvahRelated: Its legal sections preserve early rabbinic discussions of commandments.
ResponsaRelated: Its legal traditions provide material for later responsa reasoning.
YeshivaBroader topic: Its concise legal teachings provide a foundation for Talmud study.
MinyanRelated: Its treatment of communal rites informs later minyan law.
Rabbi AkivaRelated: Its traditions preserve teachings attributed to Akiva and his school.
Brit milahRelated: Its discussions help define circumcision's legal requirements.