Fiqh of the Four Schools Search for a mas’ala in the schools’ booksCtrl K
Mas’ala 1999المهذبShafi'ivol. 4, p. 373vol. 4, p. 373

وَإِنْ أَخَّرَ الْأُولَى إلَى الثَّانِيَةِ لَمْ يَصِحَّ إلَّا بِالنِّيَّةِ لِأَنَّهُ قَدْ يؤخر للجمع وقد يؤخر لغيره فلابد مِنْ نِيَّةٍ يَتَمَيَّزُ بِهَا التَّأْخِيرُ الْمَشْرُوعُ عَنْ غَيْرِهِ

Its commentaries

المجموع شرح المهذبal-Nawawi

its words on this mas’ala come with mas’ala 1995 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.