On the result and punishment of lending with interest: Succah 29a; Temurah 6b
The value of refraining from lending to a Gentile with interest: Makkot 24a
Is a borrower able to claim interest back from the lender, if the two agreed to it from the start: Temurah 6a-b
Comparing lending with interest to murder: Temurah 6b
Special Cases
Fear of Interest where one lends a loaf of bread, because there is no set value: Shabbat 148b
For a group of people to divide portions unevenly: Shabbat 149b
Interest in a loan to members of one's family [for educational purposes]: Shabbat 149b
Extending the time for repayment of a debt: Kiddushin 6b
A case of "one-sided interest," in that only one of the partners could create an "interest" situation, specifically where a seller exercises a clause allowing him to revoke a deal and demand his merchandise back: Megillah 27b
Interest which the recipient promises to return eventually: Megillah 27b
Lending a quantity of grain, and receiving the same quantity in return: Bava Metzia 15a
Collection of land isn't considered a payment which may appear to be Interest: Bava Metzia 15a-b
Where a seller repays a purchaser of land for improvements made to the land before it was claimed from him: Bava Metzia 14b
Where the payment is acquired by the lender/seller retroactively to the beginning of the deal: Bava Metzia 15a, 15a-b
Is the borrower able to claim back money which appears like interest, from the lender: Temurah 6a-b
