Fiqh of the Four Schools Search for a mas’ala in the schools’ booksCtrl K
Mas’ala 51المهذبShafi'ivol. 1, p. 138vol. 1, p. 138

وَإِنْ كَانَ الْمَاءُ قُلَّتَيْنِ وَفِيهِ نَجَاسَةٌ قَائِمَةٌ فَفِيهِ وَجْهَانِ: قَالَ أَبُو إسحاق لا تَجُوزُ الطَّهَارَةُ بِهِ لِأَنَّهُ مَاءٌ وَاحِدٌ

Read the whole chapter On the map: PurityCompare

Its commentaries

المجموع شرح المهذبal-Nawawi

its words on this mas’ala come with mas’ala 45 before it

A number in a circle: a mas’ala the commentary adds, numbered through it. In bold: the text’s own words inside the commentary.