Al-Kāfi
Hadith 10762- الْحُسَيْنُ بْنُ مُحَمَّدٍ عَنْ مُعَلَّى بْنِ مُحَمَّدٍ عَنِ الْحَسَنِ بْنِ عَلِيٍّ عَنْ أَبَانٍ عَنْ زُرَارَةَ قَالَ قَالَ لا بَأْسَ بِأَنْ يَشْتَرِيَ أَرْضَ أَهْلِ الذِّمَّةِ إِذَا عَمَرُوهَا وَأَحْيَوْهَا فَهِيَ لَهُمْ.
2. Al-Husayn ibn Muhammad has narrated from Mu’alla’ ibn Muhammad from al-Hassan ibn Ali from Aban from Zurarah who has said the following: “He (the Imam) (a.s.), has said, ‘It is not unlawful if tax payers buy land, if they build and revive it, it becomes their land.’”