A Supplement to the Revolution in Mind & Practice of the Human Race: Shewing the Necessity For, and the Advantages of this Universal Change : Also, a Copy of the Original Memorial (in English, French, and German) which was Presented to the Sovereigns Assembled in Congress at Aix-la Chapelle in 1818 ... from the Author of this Work, Shewing the Correctness of His Anticipations, as Proved by Subsequent Events : to which is Added, a Discourse Delivered to the Socialists of London on the 25th of October, 1849
Robert Owen