Pickets in a two-way fight

Three striking workers with placards walking towards camera; two placards read, "Don't let the goons from out of town take our jobs away." Caption: "Pickets in a two-way fight: At Erie Basin pier, three pickets of International Longshoremen's Association carry signs announcing strike, which is against New York Shipping Association, and also rapping new A.F.L. union, formed to replace I. L. A...."