Title: Walden then & now
Subjects: Natural history, Alphabet books, Homes and haunts, Juvenile literature, Alphabet, Diaries, Thoreau, henry david, 1817-1862, Thoreau, henry david, 1817-1862, juvenile literature, Natural history, united states, Natural history, juvenile literature, English language, alphabet, juvenile literature
Places: Walden Woods (Mass.), Massachusetts, Walden Woods
People: Henry David Thoreau (1817-1862)