亨利‧大衛‧梭羅 (Henry David Thoreau) 生於1817年7月12日
梭羅在瓦登湖畔的小灣
出處: "Thoreau's Cove, Walden Pond, Concord, Massachusetts." Detroit Publishing Company between 1900 and 1910. Touring Turn-of-the-Century America: Photographs from the Detroit Publishing Company, 1880 - 1920, Library of Congress.