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 when the Messenger of Allah sent him to Yemen, he commanded him to take from every thirty, cattle a male or female Tabi'(two-year-old), and from every forty, a Musinnah (three-year-old), and from every person who had reached the age of puberty a Dinar or is equivalent in Ma'afir. (Da 'if) (Using translation from Nasāʾī 2452)
لَمَّا بَعَثَهُ رَسُولُ اللهِ ﷺ إِلَى الْيَمَنِ «أَمَرَهُ أَنْ يَأْخُذَ مِنْ كُلِّ ثَلَاثِينَ مِنَ الْبَقَرِ تَبِيعًا أَوْ تَبِيعَةً وَمِنْ كُلِّ أَرْبَعِينَ مُسِنَّةً وَمِنْ كُلِّ حَالِمٍ دِينَارًا أَوْ عِدْلَهُ مَعَافِرَ»