Philosophy 4 American literature 2 Criticism and interpretation 2 LITERARY CRITICISM / American / General 2 American 1 Autobiography & Biography 1 Autobiography - Malayalam Translation 1 Biography & Memoirs 1 Business & Investing 1 Collection 1 Environmental aspects 1 Environmental policy 1 Environmental responsibility 1 Environmentalism 1 Essays 1 Failure (Psychology) in literature 1 Globalization 1 Henry David Thoreau`s Walden-criticism 1 History and criticism 1 Human ecology 1 Literature- collection 1 Malayalam; Auto Biography 1 Philosophy Henry David Thoreau 1 Philosophy Jean Jacques Rousseau 1 Philosophy John Locke 1 Philosophy John Stuart Mill 1 Philosophy Thomas Hobbes 1 Reference 1 Thoreau,Henry David 1 civil disobedience 1