Notable among them are the Wahy, the modes of descent, the chronology of the revelation of the Quran, the first revealed verses (ayah), Meccan and Medinan verses, the preservation of the Quran, the printing of the Quran, the sources of Tafsir, Arabic language etc.
Quran | The Quran, 1930''' | Noble Quran (Muhsin Khan) | Noble Quran |