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
muslim:1103d – Ibn Numayr from my father > al-Aʿmash > Abū Ṣāliḥ > Abū Hurayrah

Abu Huraira reported that the Messenger of Allah ﷺ forbade (his Companions) to observe Saum Wisal.  

مسلم:١١٠٣d – وَحَدَّثَنَا ابْنُ نُمَيْرٍ حَدَّثَنَا أَبِي حَدَّثَنَا الأَعْمَشُ عَنْ أَبِي صَالِحٍ عَنْ أَبِي هُرَيْرَةَ ؓ

عَنِ النَّبِيِّ ﷺ أَنَّهُ نَهَى عَنِ الْوِصَالِ بِمِثْلِ حَدِيثِ عُمَارَةَ عَنْ أَبِي زُرْعَةَ