Henry Wadsworth Longfellow Memorial, Cambridge, Massachusetts, H-01307b Oliver Wendell Holmes birthplace, Cambridge, Massachusetts, H-1308a Illustration of the Oliver Wendell Holmes birthplace, Cambridge, Massachusetts, H-1308b Oliver Wendell Holmes birthplace, Cambridge, Massachusetts, H-1308c Oliver Wendell Holmes birthplace, Cambridge, Massachusetts, H-1308d Illustration of the Oliver Wendell Holmes birthplace, Cambridge, Massachusetts, H-1308e Illustration of the Oliver Wendell Holmes birthplace, interior view of the entrance hall, Cambridge, Massachusetts, H-1309a Illustration of the Oliver Wendell Holmes birthplace, interior view of the entrance hall, Cambridge, Massachusetts, H-1309b Exterior view of the HooperâLeeâNichols House, Cambridge, Massachusetts, H-1310a Exterior view of the HooperâLeeâNichols House, Cambridge, Massachusetts, H-1310b Exterior view of the HooperâLeeâNichols House, Cambridge, Massachusetts, H-1310c Exterior view of the HooperâLeeâNichols House, Cambridge, Massachusetts, H-1310d Exterior view of the HooperâLeeâNichols House, Cambridge, Massachusetts, H-1310e Exterior view of the HooperâLeeâNichols House, Cambridge, Massachusetts, H-1310g Exterior view of the HooperâLeeâNichols House, Cambridge, Massachusetts, H-1310h Exterior view of the Henry Vassall House, Cambridge, Massachusetts, H-1312a Exterior view of the Henry Vassall House, Cambridge, Massachusetts, H-1312b Exterior view of the Henry Vassall House, Cambridge, Massachusetts, H-1312c Exterior view of the Henry Vassall House, Cambridge, Massachusetts, H-1312d Exterior view of the Manning House, Cambridge, Massachusetts, H-1313a Exterior view of the Manning House, Cambridge, Massachusetts, H-1313b Exterior view of the Manning House, Cambridge, Massachusetts, H-1313c Exterior view of the Bull House, Cambridge, Massachusetts, H-1314 Patriots' Rendezvous near Porter Station, Cambridge, Massachusetts, H-1315 Porter's Hotel, North Cambridge, Cambridge, Massachusetts, H-1316 Exterior view of the Ruggles-Fayerweather House, Cambridge, H-1317a Riedesel House, Brattle Street, Cambridge, Massachusetts, H-1318 Sheffield's residences, University Building, Cambridge, Massachusetts, H-1319 Valentine-Manning House, Cambridge, Massachusetts, H-1320a Valentine-Manning House, Cambridge, Massachusetts, H-1320b Valentine-Manning House, Cambridge, Massachusetts, H-1320c Valentine-Manning House, Cambridge, Massachusetts, H-1320d Valentine-Manning House, Cambridge, Massachusetts, H-1320e Wadsworth House, Cambridge, Massachusetts, H-1321a Wadsworth House, Cambridge, Massachusetts, H-1321b Wadsworth House, Cambridge, Massachusetts, H-1321c Wadsworth House, Cambridge, Massachusetts, H-1321h Exterior view of the Waterhouse House, Cambridge, Massachusetts, H-1322 Webster House, Cambridge, Massachusetts, H-1323a Washington Elm, Cambridge, Massachusetts, H-1324a 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 The home garage of concrete masonry, Portland Cement Association, Boston, Mass., undated