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:10749 – Abū Aḥmad al-Mihrajānī > Abū Bakr b. Jaʿfar > Muḥammad b. Ibrāhīm > Ibn Bukayr > Mālik > Ibn Shihāb > Abū Salamah b. ʿAbd al-Raḥman > ʿAbd

[Machine] That Abdulrahman bin Awf bought a female slave from Asim bin Adi, and he found out that she was already married, so he returned her.  

البيهقي:١٠٧٤٩ – أَخْبَرَنَا أَبُو أَحْمَدَ الْمِهْرَجَانِيُّ أنا أَبُو بَكْرِ بْنُ جَعْفَرٍ ثنا مُحَمَّدُ بْنُ إِبْرَاهِيمَ ثنا ابْنُ بُكَيْرٍ ثنا مَالِكٌ عَنِ ابْنِ شِهَابٍ عَنْ أَبِي سَلَمَةَ بْنِ عَبْدِ الرَّحْمَنِ

أَنَّ عَبْدَ الرَّحْمَنِ بْنَ عَوْفٍ ؓ ابْتَاعَ وَلِيدَةً مِنْ عَاصِمِ بْنِ عَدِيٍّ فَوَجَدَهَا ذَاتَ زَوْجٍ فَرَدَّهَا  

See similar narrations below:

Collected by Mālik
malik:31-8 – Mālik > Ibn Shihāb > Abū Salamah b. ʿAbd al-Raḥman b. ʿAwf

Yahya related to me from Malik from Ibn Shihab from Abu Salama ibn Abd ar-Rahman ibn Awf that Abd ar-Rahman ibn Awf bought a slave- girl and found that she had a husband, so he returned her.  

مالك:٣١-٨ – وَحَدَّثَنِي عَنْ مَالِكٍ عَنِ ابْنِ شِهَابٍ عَنْ أَبِي سَلَمَةَ بْنِ عَبْدِ الرَّحْمَنِ بْنِ عَوْفٍ

أَنَّ عَبْدَ الرَّحْمَنِ بْنَ عَوْفٍ ابْتَاعَ وَلِيدَةً فَوَجَدَهَا ذَاتَ زَوْجٍ فَرَدَّهَا