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suyuti:38-40bMuḥammad b. Ibrāhīm al-Taymi
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السيوطي:٣٨-٤٠b

"عَنْ مُحَمَّدِ بْنِ إِبْرَاهِيمَ التَّيْمِىِّ، أَنَّ أُسَامَةَ بْنَ زَيْدٍ كَانَ يَصُومُ أَشْهُرَ الْحُرُمِ، فَقَالَ لَهُ رَسُولُ الله ﷺ : "صُمْ شَوَّالًا" فَتَرَكَ أَشْهُرَ الْحُرُمِ وَلَمْ يَزَلْ يَصُومُ شَوَالًا حَتَّى مَاتَ".  

العدنى، [هـ] ابن ماجة [ض] ضياء المقدسي في مختاره

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Collected by Ibn Mājah
ibnmajah:1744Muḥammad b. al-Ṣabbāḥ > ʿAbd al-ʿAzīz al-Darāwardī > Yazīd b. ʿAbdullāh b. Usāmah b. al-Hād > Muḥammad b. Ibrāhīm

“Fast Shawwal.” So he forsook the sacred months and he continued to fast Shawwal until he died.  

ابن ماجة:١٧٤٤حَدَّثَنَا مُحَمَّدُ بْنُ الصَّبَّاحِ حَدَّثَنَا عَبْدُ الْعَزِيزِ الدَّرَاوَرْدِيُّ عَنْ يَزِيدَ بْنِ عَبْدِ اللَّهِ بْنِ أُسَامَةَ بْنِ الْهَادِ عَنْ مُحَمَّدِ بْنِ إِبْرَاهِيمَ أَنَّ أُسَامَةَ بْنَ زَيْدٍ كَانَ يَصُومُ أَشْهُرَ الْحُرُمِ فَقَالَ

لَهُ رَسُولُ اللَّهِ ﷺ صُمْ شَوَّالاً فَتَرَكَ أَشْهُرَ الْحُرُمِ ثُمَّ لَمْ يَزَلْ يَصُومُ شَوَّالاً حَتَّى مَاتَ