1767-1830 1768-1848 1769-1859 1774-1852 18thcentury 19thcentury alexandervon benjamin chateaubriand constant criticismandinterpretationhumboldt criticismandinterpretationkruzenshtern criticismandinterpretationlangsdorff cross-culturalstudies edeninliterature etiennepivertde françois-rené frenchfiction german historyandcriticism ivanfedorovich melancholyinliterature senancour socialaspects socialchangeinliterature socialroleinliterature travelers'writings