al-Sunan al-Kubrá, Nasāʾī
السنن الكبرى للنسائي
Largest of the three collections of aḥādīth by Imām al-Nasāʾī. The al-Sunan al-Sughrá (The Small Collection of Sunnah), also known as Sunan al-Nasāʾī, is already part of the Six Books. Full name: al-Sunan al-Kubrá (السنن الكبرى) (The Large Collection of Sunnah). Sources: Shamela Book# 8361 for the Arabic text. The English translation is being added by myself and other contributors.
Random ḥadīth in Nasāʾī's Kubrá
That the Messenger of Allah stopped in the valley that is in Dhul-Hulaifah and prayed there. (sahih) (Using translation from Nasāʾī 2661)
أَنَّ رَسُولَ اللهِ ﷺ «أَنَاخَ بِالْبَطْحَاءِ الَّتِي بِذِي الْحُلَيْفَةِ وَصَلَّى بِهَا»