""A Brief Exposition Of The Established Principles And Regulations Of The United Society Of Believers Called Shaker"" is a book written by Elihu Geer in 1850. The book provides a comprehensive overview of the beliefs, practices, and regulations of the Shaker religious community. The Shakers are a Christian sect that originated in England in the 18th century and later spread to the United States. They are known for their unique style of worship, communal...