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- Ecocriticism (9)
- Environmental protection in literature (9)
- Nature in literature (7)
- Ecology in literature (6)
- Conservation of natural resources in literature (4)
- American literature--History and criticism (3)
- Human ecology in literature (3)
- Philosophy of nature in literature (3)
- Wilderness areas in literature (3)
- American fiction--20th century--History and criticism (1)
- American fiction--Indian authors--History and criticism (1)
- American literature--History and criticism--Theory, etc (1)
- American literature--Southwest, New--History and criticism (1)
- Authors, English--Biography--History and criticism (1)
- Authors, English--Diaries--History and criticism (1)
- Children's literature, American--History and criticism (1)
- Children's literature, English--History and criticism (1)
- Children--Books and reading--English-speaking countries (1)
- Conversion in literature (1)
- Criticism--Great Britain (1)
- Criticism--United States (1)
- Deserts in literature (1)
- English diaries--History and criticism (1)
- English literature--History and criticism--Theory, etc (1)
- Environmental ethics (1)
- Environmental literature--History and criticism (1)
- Environmental literature--History and criticism--Theory, etc (1)
- Environmental literature--United States--History and criticism (1)
- Environmental policy in literature (1)
- Environmental protection--Moral and ethical aspects (1)
- Forests in literature (1)
- Landscape in literature (1)
- Landscapes in literature (1)
- Natural history in literature (1)
- Natural history--United States--Historiography (1)
- Nature conservation in literature (1)
- Nature--Psychological aspects (1)
- Outdoor life in literature (1)
- Self in literature (1)
- Southwest, New--In literature (1)