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:15210 – Abū Zakariyyā b. Abū Isḥāq > Abū al-ʿAbbās Muḥammad b. Yaʿqūb > al-Rabīʿ b. Sulaymān > al-Shāfiʿī > Sufyān > Misʿar > Ḥabīb b. Abū Thābit > Ṭāwus

[Machine] That Uthman ibn Affan used to appoint the master.  

البيهقي:١٥٢١٠ – أَخْبَرَنَا أَبُو زَكَرِيَّا بْنُ أَبِي إِسْحَاقَ نا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ أنا الرَّبِيعُ بْنُ سُلَيْمَانَ أنا الشَّافِعِيُّ أنا سُفْيَانُ عَنْ مِسْعَرٍ عَنْ حَبِيبِ بْنِ أَبِي ثَابِتٍ عَنْ طَاوُسٍ

أَنَّ عُثْمَانَ بْنَ عَفَّانَ ؓ كَانَ يُوقَفُ الْمَوْلَى  

See similar narrations below:

Collected by Mālik, Suyūṭī
malik:31-60 – Mālik > Balaghah

Yahya related to me from Malik that he had heard that Uthman ibn Affan forbade hoarding .  

مالك:٣١-٦٠ – وَحَدَّثَنِي عَنْ مَالِكٍ أَنَّهُ بَلَغَهُ

أَنَّ عُثْمَانَ بْنَ عَفَّانَ كَانَ يَنْهَى عَنِ الْحُكْرَةِ