Analysis of information sources in references of the Wikipedia article "Quran" in English language version.
Tabatabae, Mohammad Hosayn (1988). The Qur'an in Islam: Its Impact and Influence on the Life of Muslims. Routledge. ISBN 978-0-7103-0266-3.Since the word of God seemed threatened with alteration, the [third] caliph ordered that five of the qurrā' from amongst the companions, (one of them being Zayd ibn Thābit who had compiled the first volume), produce other copies from the first volume which had been prepared on the orders of the first caliph and which had been kept with Ḥafṣah, the wife of the Prophet and daughter of the second caliph.
The other copies, already in the hands of Muslims in other areas, were collected and sent to Medina where, on orders of the Caliph, they were burnt (or, according to some historians, were destroyed by boiling). Thus several copies were made, one being kept in Medina, one in Mecca, and one each sent to Sham (a territory now divided into Syria, Lebanon, Palestine and Jordan), Kufa and Basra.
It is said that beside these five, one copy was also sent to Yemen and one to Bahrein. These copies were called the Imam copies and served as original for all future copies. The only difference of order between these copies and the first volume was that the chapters "Spirits of War" and "Immunity" were written in one place between "The Heights" and "Jonah."
Christians are often surprised to discover that Jesus is mentioned by name in the Quran more than Muhammad and that Mary is mentioned more times in the Quran than in the New Testament. Both Jesus and Mary play important roles not only in the Quran but also in Muslim piety and spirituality.
