1880-2010 1927- 1930-1998 1933- 1935- 1942- 1961-1975 20thcentury appelt architecturalphotography art artists'books authors biography cantileverbridges cantileverbridgesgreatbritain casestudies collectionscentrecanadiend'architecture communicationinliterature consciousness conservationandrestoration criticismandinterpretationwellershof criticismandinterpretationwellershoff dengler descriptionandtravel diariesbachmann dietrich ernst exhibitions german germanphotographers germany greatbritain habermas hacker henrich jürgen languageandlanguages laotian philosophy photographers prisonersandprisons prisonersofwar railroadbridges roth scotland self(philosophy) southqueensferry subjectivity tugendhat unitedstates vietnamwar wellershoff