1817-1862 19thcentury aestheticrealism american americanauthors americanliterature authors biography civildisobedience classicliterature collections conductoflife englishessays englishlanguage essays fiction henrydavid henrydavid) homes homesandhaunts indexes juvenileliterature lakes largetypebooks literary literature mannersandcustoms massachusetts modern naturalhistory nonfiction philosophy philosophyofnature politicsandgovernment resistancetogovernment sociallifeandcustoms solitude thoreau unitedstates walden(thoreau waldenorlifeinthewoods(thoreau) wildernessareas