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
It was narrated from Sa'd bin Abi Waqqas, from the Messenger of Allah ﷺ, with regard to wiping over the Khuffs; "There is nothing wrong with it." (Using translation from Nasāʾī 122)
عَنْ رَسُولِ اللهِ ﷺ فِي «الْمَسْحِ عَلَى الْخُفَّيْنِ أَنَّهُ لَا بَأْسَ بِهِ»