Exterior view of the Cooper-Frost-Austin House, Cambridge, Massachusetts, H-1300e Milestone, Cambridge, Massachusetts, H-01301 Exterior view of the Apthorp House, Linden Street, Cambridge, Massachusetts, H-1301a Exterior view of the Apthorp House, Linden Street, Cambridge, Massachusetts, H-1301b Exterior view of the Apthorp House, Linden Street, Cambridge, Massachusetts, H-1301c Exterior view of the Apthorp House, Linden Street, Cambridge, Massachusetts, H-1301d Exterior view of the Apthorp House, Linden Street, Cambridge, Massachusetts, H-1301e Exterior view of the Apthorp House, Linden Street, Cambridge, Massachusetts, H-1301f Exterior view of the Apthorp House, Linden Street, Cambridge, Massachusetts, H-1301g Exterior view of the William Brattle House, Cambridge, Massachusetts, H-1302 The Sphinx, Mount Auburn Cemetery Civil War Memorial, Cambridge, Massachusetts, H-01302a The Sphinx, Mount Auburn Cemetery Civil War Memorial, Cambridge, Massachusetts, H-01302b Christ Church and cemetery, Cambridge, Massachusetts, H-1303a Hemenway Gymnasium, Radcliffe College, Cambridge, Massachusetts, H-01303b Hemenway Gymnasium, Radcliffe College, Cambridge, Massachusetts, H-01303bb Christ Church and cemetery, Cambridge, Massachusetts, H-1303b Christ Church, Cambridge, Massachusetts, H-1303c Christ Church, Cambridge, Massachusetts, H-1303d Christ Church and cemetery, Cambridge, Massachusetts, H-1303dd Christ Church and cemetery, Cambridge, Massachusetts, H-1303e Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304a Unidentified street, Cambridgeport, Cambridge, Massachusetts, H-01304a Unidentified street, Cambridgeport, Cambridge, Massachusetts, H-01304b Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304b Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304c Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304d Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304e Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304f Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304g Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304h Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304i Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304j Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304k Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304l Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304m Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304n Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304o Oliver-Gerry-Lowell House, Elmwood Avenue, Cambridge, Massachusetts, H-1304p Dexter Pratt House (Village Blacksmith), Cambridge, Massachusetts, H-01305 Oliver-Gerry-Lowell House, interior view of study, Elmwood Avenue, Cambridge, Massachusetts, H-1305 View along the Charles River, Cambridge, Massachusetts, H-01306a Vassall-Craigie-Longfellow House, Cambridge, Massachusetts, H-1306a View along the Charles River, Cambridge, Massachusetts, H-01306b Vassall-Craigie-Longfellow House, Cambridge, Massachusetts, H-1306b Vassall-Craigie-Longfellow House, Cambridge, Massachusetts, H-1306c Vassall-Craigie-Longfellow House, Cambridge, Massachusetts, H-1306d Vassall-Craigie-Longfellow House, Cambridge, Massachusetts, H-1306e Vassall-Craigie-Longfellow House, Cambridge, Massachusetts, H-1306f Vassall-Craigie-Longfellow House, Cambridge, Massachusetts, H-1306g Vassall-Craigie-Longfellow House, Cambridge, Massachusetts, H-1306h