Before revision: Ronald George Garrett (1972), Co-operation and the Owenite socialist communities in Britain, 1825–45, Manchester University Press ND, The Owenite movement undertook several experiments in the establishment of utopian communities organized according to communitarian and cooperative principles.
After revision: <ref name=Garrett>Ronald George Garrett (1972), Co-operation and the Owenite socialist communities in Britain, 1825–45, Manchester University Press ND, The Owenite movement undertook several experiments in the establishment of utopian communities organized according to communitarian and cooperative principles.