Sunan Ibn Majah, Volume 4, Book 25, Hadith 2971 (DarusSalam) ⓘ
It was narrated that Ibn ‘Abbas said: “Abu Talhah told me that the Messenger of Allah performed Hajj and ‘Umrah together (Qiran).”
حَدَّثَنَا عَلِيُّ بْنُ مُحَمَّدٍ، حَدَّثَنَا أَبُو مُعَاوِيَةَ، حَدَّثَنَا حَجَّاجٌ، عَنِ الْحَسَنِ بْنِ سَعْدٍ، عَنِ ابْنِ عَبَّاسٍ، قَالَ أَخْبَرَنِي أَبُو طَلْحَةَ، أَنَّ رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ قَرَنَ الْحَجَّ وَالْعُمْرَةَ .
also referenced under: Hadith 2971 (Reference) & Book 25, Hadith 3085 (In-Book)