صحيح ابن خزيمه
Sahih Ibn Khuzaymah
جماع أبواب الفريضة فى السفرChapters on Prayers while Traveling
(385) بَابُ الرُّخْصَةِ فِي الْجَمْعِ بَيْنَ الظُّهْرِ وَالْعَصْرِ وَبَيْنَ الْمَغْرِبِ وَالْعِشَاءِ وَإِنْ لَمْ يَجِدَّ بِالْمُسَافِرِ السَّيْرُ385 Chapter: Permission to Combine Dhuhr and Asr, and Maghrib and Isha, Even If the Traveler Is Not Moving.
Hadith 967
A narration similar to the one mentioned above is also reported from Sayyiduna Ibn Abbas (may Allah be pleased with them both).
