American literature 1 Conservation of natural resources in literature 1 Criticism 1 Ecocriticism 1 Ecology in literature 1 English literature 1 Environmental protection in literature 1 Forests in literature 1 History and criticism 1 Landscapes in literature 1 Nature in literature 1 Outdoor life in literature 1 Philosophy of nature in literature 1 Theory, etc 1 Wilderness areas in literature 1