Bulugh al-Maram, Book 15, Hadith 1478 (English)

’Amro bin al-Harith, the brother of Juwairiyah the mother of Believers (the wife of the Prophet) narrated, ‘When Allah’s Messenger died, he did not leave a Dinar or a Dirham, a slave or a slave-woman, or anything but his white she-mule, his weapons and a piece of land which he appointed as Sadaqah.’ Related by Al-Bukhari.

وَعَنْ عَمْرِو بْنِ اَلْحَارِثِ‏- أَخِي جُوَيْرِيَةَ أُمِّ اَلْمُؤْمِنِينَ ‏-رَضِيَ اَللَّهُ عَنْهُمَا‏- قَالَ: { مَا تَرَكَ رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏-عِنْدَ مَوْتِهِ دِرْهَمًا, وَلَا دِينَارًا, وَلَا عَبْدًا, وَلَا أَمَةً, وَلَا شَيْئًا, إِلَّا بَغْلَتَهُ اَلْبَيْضَاءَ, وَسِلَاحَهُ, وَأَرْضًا جَعَلَهَا صَدَقَةً } رَوَاهُ اَلْبُخَارِيّ ُ 1‏.‏ ‏1 ‏- صحيح.‏ رواه البخاري (2739)‏.‏

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also referenced under: Book 15, Hadith 1434 (In-Book)