https://www.humanreligions.info/tags/muhammad.html
Human Truth Foundation pages (3):
The Qur'an: 1. The Qur'an is Incomplete and Untrustworthy
God's Methods of Communication: Universal Truth Versus Hebrew and Arabic: 9.2. The Qur'an is Incomplete and Untrustworthy
The Qur'an is Incomplete and Untrustworthy