This is a reference to a collection of multiple reports in connection with mutʿa marriage. Hossein Modarressi cites this source to argue that Sunnī scholars disagreed over whether and when mutʿa was abrogated by the Prophet or, as was commonly believed, proscribed by ʿUmar b. al-Khaṭṭāb.
This source is part of the Online Companion to Hossein Modarressi, Text and Interpretation: Imam Jaʿfar al-Ṣādiq and His Legacy in Islamic Law (Harvard University Press, 2022).