Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
bayhaqi:12051 – Abū Muḥammad ʿAbdullāh b. Yūsuf al-Aṣbahānī > Abū Saʿīd Aḥmad b. Muḥammad b. Ziyād al-Baṣrī Bimakkah > al-Ḥasan b. Muḥammad b. al-Ṣabbāḥ > Wakīʿ b. al-Jarrāḥ > Sufyān al-Thawrī > Rabīʿah b. Abū ʿAbd al-Raḥman > Yazīd a freed slave of al-Munbaʿith > Zayd b. Khālid

[Machine] The Messenger of Allah ﷺ was asked about the found item, so he said, "Inform about it for a year, and if its owner comes, then give it to him, otherwise spend it." This narration is narrated by Ath-Thawri.  

البيهقي:١٢٠٥١ – أَخْبَرَنَا أَبُو مُحَمَّدٍ عَبْدُ اللهِ بْنُ يُوسُفَ الْأَصْبَهَانِيُّ أنبأ أَبُو سَعِيدٍ أَحْمَدُ بْنُ مُحَمَّدِ بْنِ زِيَادٍ الْبَصْرِيُّ بِمَكَّةَ ثنا الْحَسَنُ بْنُ مُحَمَّدِ بْنِ الصَّبَّاحِ ثنا وَكِيعُ بْنُ الْجَرَّاحِ ثنا سُفْيَانُ الثَّوْرِيُّ عَنْ رَبِيعَةَ بْنِ أَبِي عَبْدِ الرَّحْمَنِ عَنْ يَزِيدَ مَوْلَى الْمُنْبَعِثِ عَنْ زَيْدِ بْنِ خَالِدٍ قَالَ

سُئِلَ رَسُولُ اللهِ ﷺ عَنِ اللُّقَطَةِ فَقَالَ عَرِّفْهَا سَنَةً فَإِنْ جَاءَ صَاحِبُهَا وَإِلَّا فَاسْتَنْفِقْهَا أَخْرَجَاهُ مِنْ حَدِيثِ الثَّوْرِيِّ