Halakhah for Sanhedrin 57:35

the laws of one given power of attorney (Bava Kamma 70a) towards the one he was appointed against and towards the one who appointed him, and the wording of appointment - which is, "take it to court and own it and take it for yourself"; and [that] the law of one who says, "I did not take out a loan," is as if he said, "I did not repay [it]" (Shevuot 41b); the laws of one who is assumed to be [dishonest] (Bava Metzia 17a); the law of one to whom the court says, "Go out and pay him," and he says, "I payed," or [if they say,] "You are obligated to give [it] to him"; the one who says, "Do not repay me without witnesses," or "[Repay me] in front of x and y," and what the law would be if they went to the country of the sea (far away); the law of whether witnesses of repayment are effective for a [borrower] who trusts the creditor with a deed as if there were two witnesses (Shevuot 42b); the law of in which matter a person can [effectively] say, "I was fooling you," or if a person cannot say [it at all] (Sanhedrin 29a); the law of the one who [wants to] extract [something] from his fellow, and the things wherein [there is validity to continued] possession - such that the one who claims them is [considered] the one who [wants to] extract them; the laws of possession (Bava Batra 28a); the laws of collections, for what do we go down to (impound) his properties; the laws of guarantees (Bava Batra 176b); the laws of protests (Bava Batra 38b); the law of the people against whom we do not establish possession, and that do not establish possession towards another; and all the laws of [making the first offer to neighbors]. And the rest of its many details - are [all] elucidated in [Bava] Kamma, mostly in the third chapter, and in [Bava] Metzia, mostly in the first chapter, and in the eighth of [Bava] Batra, and in Shevuot in the fifth, sixth and seventh chapters, and a few laws are in many scattered places in the Gemara (see Tur, Choshen Mishpat 89-94, etc.)