It was based at the headquarters of the Universal League for the Material Elevation of the Industrious Classes at 18 Greek Street.[7] Different groups offered proposals for the organisation: Louis Wolff (Mazzini's secretary) offered a proposal based on the rules and constitution of the Italian Workingmen’s Association (a Mazzinist organisation) and John Weston, an Owenite, also tabled a programme. Wolff left for Italy, and Lubez rewrote it in a way which appalled Marx. Through deft manipulation of the sub-committee Marx was left with all the papers, and set about writing the Address to the Working Classes to which was attached a simplified set of rules.