Washington, D.C. – United for Libraries, in partnership with the Philippine Arts, Letters and Media Council (PALM); the Philippines on the Potomac Project (POPDC); the Rita M. Cacas Foundation, Inc. (RMCF), and the Toribio Family, will dedicate the fourth Literary Landmark in Washington, D.C., on Saturday, May 6 (3-5 p.m.), at the original site of the former Manila House (2440 K Street, NW, Washington, D.C.).