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.
bayhaqi:5980Abū ʿAlī al-Ḥusayn b. Muḥammad al-Rūdhbārī > Abū Bakr Muḥammad b. Aḥmad b. Maḥmawayh al-ʿAskarī Bi-al-Baṣrah > Jaʿfar b. Muḥammad al-Qalānisī > Ādam b. Abū Iyās > Shuʿbah > Simāk b. Ḥarb > Milḥān b. Thawbān

[Machine] I heard Milhan ibn Thawban saying, "Amr ibn Yasser was with us in Kufa for a year. He used to give us sermons every Friday while wearing a black turban."  

البيهقي:٥٩٨٠أَخْبَرَنَا أَبُو عَلِيٍّ الْحُسَيْنُ بْنُ مُحَمَّدٍ الرُّوذْبَارِيُّ ثنا أَبُو بَكْرٍ مُحَمَّدُ بْنُ أَحْمَدَ بْنُ مَحْمَوَيْهِ الْعَسْكَرِيُّ بِالْبَصْرَةِ ثنا جَعْفَرُ بْنُ مُحَمَّدٍ الْقَلَانِسِيُّ ثنا آدَمُ بْنُ أَبِي إِيَاسٍ ثنا شُعْبَةُ ثنا سِمَاكُ بْنُ حَرْبٍ قَالَ

سَمِعْتُ مِلْحَانَ بْنَ ثَوْبَانَ يَقُولُ كَانَ عَمَّارُ بْنُ يَاسِرٍ عَلَيْنَا بِالْكُوفَةِ سَنَةً وَكَانَ يَخْطُبُنَا كُلَّ جُمُعَةٍ وَعَلَيْهِ عِمَامَةٌ سَوْدَاءُ