Abrahamic religions as adherents of an Abrahamic religion, about 32% as adherents of other religions, and 16% as adherents of no organized religion. Christianity claims 33% of the world's population, Islam has 21%, Judaism has 0.2% and the Bahá'í Faith represents around 0.1%. It was suggested by Louis Massignon that the phrase "Abrahamic religion" means that all these religions come from one spiritual source. Paul the Apostle referred to Abraham as the "father of us all". There is a Quranic term, "millat Ibrahim", 'religion of Ibrahim', indicating that Islam sees itself as standing in a tradition of religious practice from Abraham. Jewish
University of Religions and Denominations of Religions and denominations among the specialized libraries allocated to the study of religions, Which are so few in number, the library of the University of religions and Denominations is claimed to be the outstanding one. Containing an excellent supply of books and periodical in Persian, Arabic and English, this library is considered to be one of the richest libraries nationwide. Resources are mainly on Islamic denominations, Christianity, Eastern religions and interdisciplinary studies. The library of this university houses books on Islamic sects, Christianity, Judaism, Hinduism, Buddhism, primitive religions etc. There are also Islamic, Christian, Jewish and Zoroastrian Encyclopaedias. This