Columbia subject headings:
King, Martin Luther, Jr., 1929-1968--Monuments--Washington (D.C.)
Martin Luther King, Jr., Memorial (Washington, D.C.)
Harvard subject headings:
King, Martin Luther, Jr., 1929-1968--Monuments--Washington (D.C.)
Martin Luther King, Jr., Memorial (Washington, D.C.)
Monuments--Washington (D.C.)
Princeton subject headings: