Have any deviant Qur’anic texts existed?

More surprising and weird statements from Westerners on Islam: Volker Popp, Karl-Heinz Ohlig, Christoph Luxenburg, Eildert Mulder

Business, Economics and Redivision of Wealth in Islam

Christoph Luxenberg, Patricia Crone, Michael Cook, Eildert Mulder: 'Shiites have older credentials than Sunnis' meaning Muhammad & `Ali never existed

Those who question the authenticity of the Islamic heritage: Christoph Luxenberg & Eildert Mulder

Redivision of Wealth in the West, As Seen By a Muslim