"Authors, American" . . "Thoreau, Henry David, 1817-1862." . . "Authors, American 19th century." . . "Authors, American 19th century Biography." . . "Intellectuals Biography United States." . . "BIOGRAPHY & AUTOBIOGRAPHY Literary." . . "Écrivains américains 19e siècle Biographies." . . "Authors, American Biography 19th century." . . . . "LITERARY CRITICISM American General." . . "1800 - 1899" . . "Thoreau, Henry David." . . "Naturalists Biography United States." . . . . . . . . . . "Livres électroniques" . . . . . . . . "Electronic books"@en . . "Criticism, interpretation, etc" . . . . . . . . . . . . . . "Henry D. Thoreau - American Writers 90 University of Minnesota Pamphlets on American Writers No. 90"@en . . . . "Biography"@en . "Biography" . . . . "Henry David Thoreau" . "Henry David Thoreau"@en . "Henry D. Thoreau" . . "Henry D. Thoreau"@en . . . . . . . . . . . . . .