Washington Elm, Cambridge, Massachusetts, H-1324b Washington Elm and First Congregational Church, Cambridge, Massachusetts, H-1324c Washington Elm and Deacon Josiah Moore House, Cambridge, Massachusetts, H-1324d First Unitarian Church and graveyard, Cambridge, Massachusetts, H-1326a First Unitarian Church and graveyard, Cambridge, Massachusetts, H-1326b Massachusetts Hall (Harvard University), Cambridge, Massachusetts, H-1327a Massachusetts Hall (Harvard University), Cambridge, Massachusetts, H-1327b Henry David Thoreau's desk, Concord, Massachusetts, H-1328 Harvard University Building, Cambridge, Massachusetts, H-1328a Harvard Hall, Cambridge, Massachusetts, H-1328b Memorial Hall (Harvard University), Cambridge, Massachusetts, H-1328bb Gore Hall (Harvard University), Cambridge, Massachusetts, H-1328c Memorial Hall (Harvard University), Cambridge, Massachusetts, H-1328d Exterior view of unidentified house, Cambridge, Massachusetts, H-1329 Unidentified colonial house, Cambridge, Massachusetts, H-1330 Unidentified house, Cambridge, Massachusetts, H-1331 Trees at the Oliver-Gerry-Lowell House (Elmwood), Cambridge, Massachusetts, H-1332b Bigelow Chapel, Mount Auburn Cemetery, Cambridge, Massachusetts, H-1333 Exterior view of the John Hicks House, Cambridge, Massachusetts, H-1334 Monument to Truth, Mount Auburn Cemetery, Cambridge, Massachusetts, H-1335 Exterior view of the William E. Russell House, Cambridge, Massachusetts, H-1336a Exterior view of the William E. Russell House, Cambridge, Massachusetts, H-1336c Statue of John Harvard, Cambridge, Massachusetts, H-1340 Johnston Gate, Cambridge, Massachusetts, H-1341 Harry Elkins Widener Memorial Library, Cambridge, Massachusetts, H-1342 Johnson Ganzer House, Canaan, Connecticut, H-1344 Fenno House, Canton, Massachusetts, H-1345 Paul Revere Heritage Site, Canton, Massachusetts, H-1346a The Worsted Church, Canterbury, New Hampshire, H-1347 Interior view of the Worsted Church, Canterbury, New Hampshire, H-1348a Interior view of the Worsted Church, Canterbury, New Hampshire, H-1348b Birthplace of Samuel Finley Breese Morse, Charlestown, Boston, Massachusetts, H-1351a Birthplace of Samuel Finley Breese Morse, Charlestown, Boston, Massachusetts, H-1351b Bunker Hill Monument, Charlestown, Boston, Massachusetts, H-1352 Statue of Colonel William Prescott, Charlestown, Boston, Massachusetts, H-1353a Statue of Colonel William Prescott, Charlestown, Boston, Massachusetts, H-1353b Captain Bill Fletcher House, Chelmsford, Massachusetts, H-1356 Governor Bellingham-Cary House, 34 Parker Street, Chelsea, Massachusetts, H-1358a Governor Bellingham-Cary House, 34 Parker Street, Chelsea, Massachusetts, H-1358c Paul Revere Heritage Site, Canton, Massachusetts, H-1346b Old Pratt House, Washington Avenue, Chelsea, Massachusetts, H-1359a Rear view of the Old Pratt House, Washington Avenue, Chelsea, Massachusetts, H-1359b Rear view of the Old Pratt House, Washington Avenue, Chelsea, Massachusetts, H-1359c The Crane House, Cohasset, Massachusetts, H-1364 The Hammond House, Chestnut Hill, Newton, Massachusetts, H-1368b The Hammond House, Chestnut Hill, Newton, Massachusetts, H-1368c The Hammond House, Chestnut Hill, Newton, Massachusetts, H-1368d "Herbert Fuller Harrington", Boston, Massachusetts, H-1208a "Herbert Fuller Harrington", Boston, Massachusetts, H-1208b Air show, Mechanics Hall, Boston, Massachusetts, H-1209