* American Association for State and Local History, 708 Berry Rd., Nashville, Tenn. 37204. Tel. 615--383-5991. Books and leaflets on history, historic preservation, museums, and related topics.
* Library of Congress, Prints and Photographs Division, John Adams Building, 2nd Street & Independence Avenue SE, Room 1051, Washington, D.C. 20540, 287-6394.
* National Archives, 8th Street & Pennsylvania Avenue NW, Washington, D.C. 20804. Microfilm reading room, Room 400, 523-3285. Copies of D.C. building permits and census records for all areas. Information on D.C. records, available from Dorothy Provine or Darryl Munsey, 523-3283 or 523-3238.
* National Trust for Historic Preservation Bookstore, 1600 H St. NW, Washington, D.C. 20006, 673-4197. Wide selection of books on historic preservation and old houses.
* Old-House Journal, 69A Seventh Ave., Brooklyn, N.Y. 11217. Tel. 212-636-4514. Publishes a monthly newsletter on restoration and maintenance techniques for older houses, $16 a year. Also sells many books, including a catalogue listing 10,000 products and services for old houses, $11.95. District of Columbia
* Columbia Historical Society, 1307 New Hampshire Ave. NW, Washington, D.C. 20036, 785-2068.
* L'Enfant Trust, 1307 New Hampshire Ave. NW. Washington, D.C. 20036, 347-1814.
* Martin Luther King Library, Wa/shingtoniana Division, 901 G St. NW, Washington, D.C. 20001, 727-1213.
* House History Workshop, cosponsored by the Columbia Historical Society and the L'Enfant Trust, in the fall, lasts 2 hours, $15, 347-1814.
* "A Guide to Resources for Researching Historic Buildings in Washington, D.C.," booklet, $2 plus 50 cents postage, from the Columbia Historical Society, available in the fall. Maryland
* Montgomery County Historical Society, 103 W. Montgomery Ave., Rockville, Md. 20850, 762-1492. Much unpublished material on Montgomery County, including biographical and genealogical data and reports prepared by other house researchers.
* Montgomery County Library, Maryland-Municipal Room, Rockville Library, 99 Maryland Ave., Rockville, Md. 20850, 279-1953.
* Prince George's County Library, Maryland Room, Hyattsville Branch, 6530 Adelphi Rd., Hyattsville, Md. 20782, 779-9330.
* "Researching Maryland Buildings," pamphlet available free from the Maryland Historical Trust, 21 State Circle, Annapolis, Md. 21401, Tel. 301-269-2438. Virginia
* Alexandria Library, Lloyd House branch, 220 N. Washington St., Alexandria, Va. 22314, 838-4577. Has materials compiled by the library and by several local historical groups.
* Arlington County Library, Virginia Room, Central Library, 1015 N. Quincy St., Arlington, Va. 22201, 527-4777.
* Fairfax County Library, Virginia Room, Central Library, 3915 Chain Bridge Rd., Fairfax, Va. 22030, 691-2123. Has materials collected by the library and by the Fairfax Hospital Society.
* Fairfax County Map and Publication Sales Counter, Massey Building, 1st Floor, 4100 Chain Bridge Rd., Fairfax, Va. 22030, 691-2974. Sells "Beginning at a White Oak," $7, "The Cartography of Northern Virginia," $14, and many other books on Fairfax history.
* "Some Basic Techniques to Follow in Researching a House," by Margaret Peters, leaflet available free from the Virginia Historic Landmarks Commission, 221 Governor St., Richmond, Va. 23219, Tel. 804-786-3143.