Al-Urwah al-Wuthqa (book)
Urwa al-Wuthqa (Arabic: العروة الوثقي) is a famous compilation of questions on fiqh or Islamic jurisprudence by Mohammed Kazem Yazdi. It is considered such a prominent work that many jurists have posed their opinions about the ideas of the book in the form of annotations and commentaries and glosses.
Source: Wikipedia — Al-Urwah al-Wuthqa (book) (CC BY-SA 4.0)