Collection of a lien is retroactive to the time of presentation, or is from the time of default: Pesachim 30b-31b
Above case, where the presentation was done with the statement "Collection will be from now": Pesachim 31b
Returning collateral to a pauper for overnight use
The effectiveness of taking a needed item as a collateral, from a pauper: Temurah 6a
Whether there is a punishment of lashes for a person who fails to fulfill this: Makkot 16a-b
Lost and Controversial Collateral
If the collateral is lost, and the lender says it had been worth half of the loan, and the borrower says it was worth the entire loan, the borrower doesn't have to swear: Bava Metzia 34b
If the collateral is lost, and the lender says it had been worth half of the loan, and the borrower says it was worth 3/4, the borrower should swear as an Admitter of Partial Debt, but the Rabbis made the lender swear to prevent a scenario where he waits for the oath and then "finds" the object and disproves the borrower: Bava Metzia 34b, 34b-35a
If the collateral is lost, and the lender says it had been worth the value of the loan, and the borrower says it was worth 3/2 the value of the loan, the lender doesn't have to swear: Bava Metzia 34b, 35a
If the collateral is lost, and the lender says it had been worth 5/4 the value of the loan, and the borrower says it was worth 3/2 the value, the lender swears as an Admitter of Partial Debt: Bava Metzia 34b
Making a lender swear additionally as to the value of Collateral which he lost, if he also has to swear that the collateral isn't on his property: Bava Metzia 35a
Liens
Ability of a purchaser of a field to buy out someone's prior claim on the field, where there was a lien on the field: Bava Metzia 15b
Collecting a eved as payment for a father's debt, from the Inheritors, where there was a lien on him: Bava Kamma 11b-12a
Collecting a eved for a debt, if he was sold after he was had a lien on himself: Bava Kamma 11b-12a Leaven on Pesach of a Nochri, given to a Jew as a lien before Pesach: Pesachim 30b-31b Leaven on Pesach of a Jew, given to a Nochri before Pesach: Pesachim 30b-31b
Sale or Sanctification of liened property by the Debtor: Pesachim 31a
