CHRISTIAN KNOWLEDGE SOCIETY, or "Society for Promoting Christian Knowledge" by circulating approved works of a religious, moral, and instructive character. Founded 1698; office 67, Lincoln's Inn-fields, old Newcastle House. Each subscribing member pays annually a sum of not less than 1 guinea. In one year, April 1842 to April 1843, this Society circulated 4,048,041 tracts.
Peter Cunningham, Hand-Book of London, 1850