Sahih Muslim , Book 15, Hadith 601 (In-Book) ⓘ
This hadlth has been narrated on the authority of Ibn Dinar, but he made no mention of: " Every Saturday."
وَحَدَّثَنِيهِ عَبْدُ اللَّهِ بْنُ هَاشِمٍ، حَدَّثَنَا وَكِيعٌ، عَنْ سُفْيَانَ، عَنِ ابْنِ دِينَارٍ، بِهَذَا الإِسْنَادِ . وَلَمْ يَذْكُرْ كُلَّ سَبْتٍ .
also referenced under: Hadith 1399 (Reference) & Book 7, Hadith 3230 (USC-MSA)