149 1817-1862 19thcentury 500-1500 aesthetics american americanauthors americanliterature americanshortstories authors biography civildisobedience classicliterature collections conductoflife criticism economics englishessays englishlanguage equality essays fiction henrydavid henrydavid) homes homesandhaunts indexes juvenileliterature lakes largetypebooks literary literature mannersandcustoms massachusetts medieval modern naturalhistory nature(aesthetics) nonfiction philosophy philosophyofnature politicsandgovernment resistancetogovernment socialchange socialhistory sociallifeandcustoms sociologicalaspects solitude thoreau unitedstates walden(thoreau waldenorlifeinthewoods(thoreau) wildernessareas wildnernessareas