Membership/adherent statistics and congregation statistics for over 4,200 religions, churches, denominations, faith groups, tribes, cultures, movements, ultimate concerns, etc.

Religion Past and Present is an updated English translation of the 4th edition of the definitive encyclopedia of religion, originally published in German. It includes the latest developments in research and encompasses a vast range of subjects connected with religious, theological, and biblical studies.

This scholarly 15-volume set offers comprehensive coverage of religious issues, places, traditions, and people.

Describes religious beliefs and practices in all 276 of the world's nations and territories.

An online, cross-cultural encyclopedia of the most significant holy people in history, examining why they have been regarded as divinely inspired.