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
tabarani:11038 – ʿAbdullāh b. Muḥammad b. Saʿīd b. Abū Maryam > Muḥammad b. Yūsuf al-Firyābī > Sufyān > Manṣūr > Mujāhid

[Machine] In His saying "And indeed, We have given you, [O Muhammad], seven of the often repeated [verses]", He said, "These are the seven often repeated [verses]".  

الطبراني:١١٠٣٨ – حَدَّثَنَا عَبْدُ اللهِ بْنُ مُحَمَّدِ بْنِ سَعِيدِ بْنِ أَبِي مَرْيَمَ ثنا مُحَمَّدُ بْنُ يُوسُفَ الْفِرْيَابِيُّ ثنا سُفْيَانُ عَنْ مَنْصُورٍ عَنْ مُجَاهِدٍ عَنِ ابْنِ عَبَّاسٍ

فِي قَوْلِهِ {وَلَقَدْ آتَيْنَاكَ سَبْعًا مِنَ الْمَثَانِي} قَالَ «هِي السَّبْعُ الطِّوَالُ»  

See similar narrations below:

Collected by Nasāʾī, Dārimī, Nasāʾī's Kubrá
nasai:916 – ʿAlī b. Ḥujr > Sharīk > Abū Isḥāq > Saʿīd b. Jubayr

Concerning the words of Allah, the Mighty and Sublime: "Seven of Al-Mathani (seven repeatedly-recited): "The seven long ones."  

النسائي:٩١٦ – أَخْبَرَنَا عَلِيُّ بْنُ حُجْرٍ قَالَ حَدَّثَنَا شَرِيكٌ عَنْ أَبِي إِسْحَاقَ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ

فِي قَوْلِهِ ﷻ { سَبْعًا مِنَ الْمَثَانِي } قَالَ السَّبْعُ الطُّوَلُ  

nasai-kubra:990 – ʿAlī b. Ḥujr al-Marwazī > Sharīk > Abū Isḥāq > Saʿīd b. Jubayr

Concerning the words of Allah, the Mighty and Sublime: "Seven of Al-Mathani (seven repeatedly-recited): "The seven long ones." (Using translation from Nasāʾī 916)  

الكبرى للنسائي:٩٩٠ – أَخْبَرَنَا عَلِيُّ بْنُ حُجْرٍ الْمَرْوَزِيُّ قَالَ أَخْبَرَنَا شَرِيكٌ عَنْ أَبِي إِسْحَاقَ عَنْ سَعِيدِ بْنِ جُبَيْرٍ عَنِ ابْنِ عَبَّاسٍ

فِي قَوْلِهِ سَبْعًا مِنَ الْمَثَانِي قَالَ «السَّبْعُ الطُّوَلُ»