1837- 1850-1928 1884-1972 1885-1978 1887-1965 20thcentury 720 arc010000 architecture archives berlin bibliography birmingham bisacsh buildings casestudies catalogs catalogsosborn catalogstownandcountryplanningassociation(greatbritain) chandīgarh cityplanning communitydevelopment cooperative criticismandinterpretationschmitthenner designsandplans domestic ebenezer england etc gartenstadt germany hertfordshire hertfordshire(england) history housing howard india landuseplanning lecorbusier letchworth london manuscripts na680 newtowns paul pictorialworks plannedcommunities sir sociallifeandcustoms sociallifehistory sources stadtplanung structures unitedstates urban urbanetlanduseplanning urbanregionshousing westmidlands(england)