Built 1845

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A. T. Stewart Company Store (New York County, New York)
Adams Mill (Carroll County, Indiana)
Appomattox Historic District (Appomattox County, Virginia)
Archibald Smith House (Fulton County, Georgia)
Armstrong Academy Site (Bryan County, Oklahoma)
Arnold-Simonton House (Montgomery County, Texas)
Athenaeum of Philadelphia (Philadelphia County, Pennsylvania)
Augusta Canal Industrial District (Richmond County, Georgia)
Augustine Paper Mill (New Castle County, Delaware)
Avery, Thomas, House (New London County, Connecticut)
Avon Inn (Livingston County, New York)
19th Century hotel still in operation
Barlow Road (Unspecified county, Oregon)
Bingham School (Orange County, North Carolina)
Bivvins House (Bedford County, Tennessee)
Black Rock Plantation House (Columbus County, North Carolina)
Bloomsburg Historic District (Columbia County, Pennsylvania)
Boerum Hill Historic District (Kings County, New York)
Boneville Historic District (McDuffie County, Georgia)
Brinkerhoff Street Historic District (Clinton County, New York)
Bronson-Mulholland House (Putnam County, Florida)
Buena Vista (New Castle County, Delaware)
Building at 102-104 Inman Street (Middlesex County, Massachusetts)
Building at 106-108 Inman St (Middlesex County, Massachusetts)
Building at 110-112 Inman St. (Middlesex County, Massachusetts)
Building at 1707-1709 Cambridge Street (Middlesex County, Massachusetts)
Building at 1715-1717 Cambridge Street (Middlesex County, Massachusetts)
Building at 944 Second Avenue (Muscogee County, Georgia)
Canfield--Morgan House (Essex County, New Jersey)
Cayetano Juarez Adobe (Napa County, California)
Cecilia Memorial Christian Church (Warren County, Kentucky)
Chagrin Falls West Side District (Cuyahoga County, Ohio)
Chester Plantation (Prince George County, Virginia)
Chestertown Historic District (Warren County, New York)
Chestnut Ridge Farm (Fairfield County, Ohio)
Christ Church Episcopal (Fayette County, Kentucky)
Church of St. John the Evangelist (Columbia County, New York)
Clarksburg Methodist Episcopal Church (Monmouth County, New Jersey)
Clermont Estates Historic District (Columbia County, New York)
Clover Lea (Hanover County, Virginia)
Col. Alfred E. Lewis House (Jackson County, Mississippi)
Col. William Ross House (Pike County, Illinois)
Columbiana County Infirmary (Columbiana County, Ohio)
Constant Riley W. Bixby House (Niagara County, New York)
Conyers Commercial Historic District (Rockdale County, Georgia)
Copake Iron Works Historic District (Columbia County, New York)
Coulsontown Cottages Historic District (York County, Pennsylvania)
Cream Hill Agricultural School (Litchfield County, Connecticut)
Curtis, Allen Crocker, House--Pillar House (Middlesex County, Massachusetts)
Deconstructed and rebuilt on Old Sudbury Road in Lincoln in 2005
Curtis-Crumb Farm (Monroe County, New York)
Private Residence
Daniel Boone Gravesite (Franklin County, Kentucky)
Daniel Boone Gravesite (Franklin County, Kentucky)
Daniel Dove Collins House (Madison County, Illinois)
Daniels Mill (Howard County, Maryland)
David and Lucy Tarr Fleming Mansion (Brooke County, West Virginia)
David Edwards House (Green County, Kentucky)
Davis Mill (Gallia County, Ohio)
Davis Plantation (Fairfield County, South Carolina)
Antebellum home in Monticello, SC
Dayton Women's Club (Montgomery County, Ohio)
Delaney-Edwards House (Marion County, Oregon)
District #10 Schoolhouse (Niagara County, New York)
District #15 Schoolhouse (Litchfield County, Connecticut)
Old schoolhouse now the town library.
District 7 School House (Plymouth County, Massachusetts)
District A (Hillsborough County, New Hampshire)
Downtown Fall River Historic District (Bristol County, Massachusetts)
Dr. William Addison Smith House (Scott County, Kentucky)
Dublin Christian Church (Franklin County, Ohio)
Egyptian Building (Richmond, Virginia)
Elias Abel House (Monroe County, Indiana)
Emory and Henry College (Washington County, Virginia)
Erskine Covered Bridge (Washington County, Pennsylvania)
Covered bridge over Middle Wheeling Creek on Erskine Road
Erwin Hall, Marietta College (Washington County, Ohio)
Eugene Field House (St. Louis, Missouri)
First Parish Church (Cumberland County, Maine)
First Universalist Chapel (Sullivan County, New Hampshire)
Flint Covered Bridge (Orange County, Vermont)
Covered bridge over First Branch White River on Bicknell Hill Rd in Tunbridge
Florida State Capitol (Leon County, Florida)
Freedom Congregational Church (Portage County, Ohio)
French Home Trading Post (Jefferson County, Texas)
Gallier Hall (Orleans Parish, Louisiana)
George A. Power House (Cobb County, Georgia)
George Bieber House and Farm (Delaware County, Ohio)
Glidden-Austin Block (Lincoln County, Maine)
Gothic House, The (Cumberland County, Maine)
Gov. Charles Croswell House (Lenawee County, Michigan)
Grace Church (Providence County, Rhode Island)
Grand Loggery (Winnebago County, Wisconsin)
Log house relocated to a popular local park
Grandview Cemetery (Ross County, Ohio)
Great Stone Dam (Essex County, Massachusetts)
Greenwood Farm (Delaware County, Ohio)
Gretna Historic District (Jefferson Parish, Louisiana)
Guenther & Handel's Block (Hampden County, Massachusetts)
Gustave Greystone-Meissner House (Jefferson County, Missouri)
Hamilton White House (Onondaga County, New York)
Hankins District No. One Schoolhouse (Sullivan County, New York)
Harrisburg Cemetery (Dauphin County, Pennsylvania)
Heflin's Store (Fauquier County, Virginia)
Helen Furnace (Clarion County, Pennsylvania)
Cold blast furnace north of Clarion, PA
Henry Funkhouser Farm and Log House (Hardy County, West Virginia)
Hermitage, The (Bergen County, New Jersey)
Hermon Camp House (Tompkins County, New York)
Herndon Terrace (Union County, South Carolina)
Historic home in Union, SC
Hill, Rev. Thomas, House (Middlesex County, Massachusetts)
House at 140 and 144 Retreat Avenue (Hartford County, Connecticut)
House at 37 East 4th Street (New York County, New York)
House at 42 Salem Street (Middlesex County, Massachusetts)
House at 79-81 Salem Street (Middlesex County, Massachusetts)
Jackson County Courthouse (Jackson County, Iowa)
Jackson Terrace Historic District (Essex County, Massachusetts)
James Buckley House (Jefferson County, New York)
Jefferson County Courthouse (Jefferson County, Tennessee)
Jenkins, Charles W., House (Penobscot County, Maine)
Jewell Historic District (Unspecified county, Georgia)
John H. Addams Homestead (Stephenson County, Illinois)
John R. Jackson House (Lewis County, Washington)
Johnny Appleseed Memorial Park (Allen County, Indiana)
Jonathan Peale House (Rockingham County, Virginia)
Joseph Dean & Son Woolen Mill (New Castle County, Delaware)
Kenmure (Norfolk, Virginia)
Kent-Valentine House (Richmond, Virginia)
Kincaid-Howard House (Campbell County, Tennessee)
King, Edward, House (Newport County, Rhode Island)
La Villita Historic District (Bexar County, Texas)
Lacy-Van Vleet House (Tompkins County, New York)
Landry Tomb (Ascension Parish, Louisiana)
Lanterman Mill (Mahoning County, Ohio)
Lapeer County Courthouse (Lapeer County, Michigan)
Laurel Hill Furnace (Westmoreland County, Pennsylvania)
Little Red Schoolhouse (Dutchess County, New York)
One-room schoolhouse on the North Park Elemantary School grounds in Hyde Park.
Littlepage Stone Mansion (Kanawha County, West Virginia)
Lizzie Borden Bed and Breakfast (Bristol County, Massachusetts)
Lorenzo and Ruth Wells Palmer House (Lenawee County, Michigan)
Macedonia Baptist Church (Erie County, New York)
Mansfield (Fayette County, Kentucky)
Mansion House (Mercer County, New Jersey)
Maplewood (Somerset County, New Jersey)
Marshall M. Milford House (Fountain County, Indiana)
McCoy Mill (Pendleton County, West Virginia)
McGehee-Woodall House (Muscogee County, Georgia)
McLoughlin House National Historic Site (Clackamas County, Oregon)
Melrose (Adams County, Mississippi)
Metamora Courthouse (Woodford County, Illinois)
Methodist Episcopal Church South (Greenup County, Kentucky)
Miles Goodyear Cabin (Weber County, Utah)
Miller--Bissell Farmstead (Huron County, Ohio)
Moniteau County Courthouse Square (Moniteau County, Missouri)
Monroe County Jail (Monroe County, Mississippi)
Monson Community Church (Piscataquis County, Maine)
Morris Cutler House (Waukesha County, Wisconsin)
Home of Waukesha's original white settler.
Mount Energy Historic District (Granville County, North Carolina)
Mount Vernon Square Historic District (Washington, District of Columbia)
Mt. Horeb Presbyterian Church and Cemetery (Bladen County, North Carolina)
Murrell Home (Cherokee County, Oklahoma)
Near North Historic District (Lake County, Illinois)
Needham House (Cheshire County, New Hampshire)
New Sharon Congregational Church (Franklin County, Maine)
North Avenue Congregational Church (Middlesex County, Massachusetts)
North Canal (Essex County, Massachusetts)
North Canal Historic District (Essex County, Massachusetts)
Northside Historic District (Pasquotank County, North Carolina)
Norwood, Andrew S., House (New York County, New York)
Nut Grove (Albany County, New York)
Oak Hall (Williamson County, Tennessee)
Oglebay Mansion Museum (Ohio County, West Virginia)
Old Episcopal Manse (Greene County, New York)
Old Market House (Jo Daviess County, Illinois)
Old Orange County Courthouse (Orange County, North Carolina)
Old Warren County Courthouse Complex (Warren County, New York)
Orthodox Meetinghouse (Chester County, Pennsylvania)
Otis Company Mill No. 1 (Hampshire County, Massachusetts)
Palmer School (Essex County, Massachusetts)
Pine Creek Potawatomi Reservation (Calhoun County, Michigan)
Pine View Farm (Columbia County, New York)
Pistol Factory Dwelling (New Haven County, Connecticut)
Pollard-Nelson House (Cass County, Indiana)
Potter-Van Camp House (Steuben County, New York)
Protestant Children's Home (Mobile County, Alabama)
Providence Historic District (Lucas County, Ohio)
Purdum--Tracy House (Scioto County, Ohio)
Rensselaer Courthouse Square Historic District (Jasper County, Indiana)
Commercial district surrounding the Jasper County Courthouse
Richland (Jefferson County, Mississippi)
Robert Gamble House (Manatee County, Florida)
Rose Glen (Sevier County, Tennessee)
Row, The (Jefferson County, New York)
Russ and Holland Snow Houses (Cuyahoga County, Ohio)
Rutledge Historic District (Morgan County, Georgia)
Samuel Johnson House (Tuscaloosa County, Alabama)
San Ysidro Oratorio (Taos County, New Mexico)
Sanseer Mill (Middlesex County, Connecticut)
Scherer House (Harrison County, Mississippi)
Schuyler Mill--Ford Soybean Plant Complex (Washtenaw County, Michigan)
Schwartze Mansion (Baltimore, Maryland)
Scotland (Franklin County, Kentucky)
Scott Farm Historic District (Windham County, Vermont)
Scrubgrass Stone Church (Venango County, Pennsylvania)
Venango County's oldest church
Sereno W. Graves House (Dane County, Wisconsin)