(1) باب { ...}
It was narrated from Tawus that the Messenger of Allah made 'Umra and Ruqba binding. (RU)
Reference (RU): Sunan an-Nasa'i 3726 (RU)
In-book reference (RU): Book 34, Hadith 8 (RU)
English translation (RU): Vol. 4, Book 34, Hadith 3757 (RU)