Sahih Muslim #191 · The Book of Faith

Sahih MuslimQutaiba b. Sa'id and Zubair b. Harb say
Sahih Muslim · Book 1 · The Book of Faith
Sahih Muslim · كتاب 1 · كتاب الإيمان
Jarir narrated this on the authority of A'mash with the same chain of narrators (as mentioned above).
وَحَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، وَزُهَيْرُ بْنُ حَرْبٍ، قَالاَ حَدَّثَنَا جَرِيرٌ، عَنِ الأَعْمَشِ، بِهَذَا الإِسْنَادِ وَلَمْ يَذْكُرْ ‏
"‏ رَأْسُ الْكُفْرِ قِبَلَ الْمَشْرِقِ ‏"‏ ‏.‏
Reference : Sahih Muslim 191In-book reference : Book 1, Hadith 98