Oliver Wendell Holmes, Jr.

“ The bill alleges a conspiracy of the members of the Brotherhood and the New York branch to prevent the exercise of the trade of carpenters by anyone not a member of the Brotherhood, and to prevent the plaintiffs and all other employers of carpenters not such members from engaging in interstate commerce and selling their goods outside of the state where the goods are manufactured, and it sets out the usual devices of labor unions as exercised to that end. ”

“ This agreement provides that 'there shall be no restriction against the use of any manufactured material except nonunion or prison-made;' the arbitration plan is confined to shops that use union labor, and the employers agree to employ union labor only. The unions will not erect material made by nonunion mechanics. Another agreement between the Manufacturing Woodworkers' Association, the Brotherhood, and the New York branch, also adopts the plan of arbitration ”

“ Certainly the conduct complained of has no tendency to produce a monopoly of manufacture or building, since the more successful it is the more competitors are introduced into the trade. Cases like Kellogg v. ”