Columbia subject headings:
Washington (D.C.)--Politics and government--1970-
Harvard subject headings:
District of Columbia. District of Columbia Self-Government and Governmental Reorganization Act.
Home rule--Washington (D.C.)
Washington (D.C.)--Politics and government--1967-1995
Washington (D.C.)--Politics and government--1970-
Princeton subject headings:
Washington (D.C.)--Politics and government--1967-1995.