United States. Army. Department of the Gulf. Bureau of Free Labor. Rules and Regulations Governing Colored Labor at Work on the Plantations under Control of the U.S. Government. 1863 March 9. 1 item. Location: EPHEMERA SUBGROUP II. Major General Benjamin Franklin Butler instituted the enlistment of former slaves into the Union army and later established a wage-labor system on sugar plantations. General Superintendent of Negro Labor, George H. Hanks, was charged with overseeing that wage-labor rules were observed on working plantations. For further information, see online catalog. Mss. 4822.