Darwin, Charles, 1809-1882
Darwin, Charles, 1809-1882. On the origin of species.
Beagle Expedition (1831-1836)
Evolution (Biology)--History
Naturalists--England--Biography
Naturalists--Travel--History
Natural Selection
On the origin of species, Darwin, Charles, 1809-1882
Lincoln, Abraham, 1809-1865
Lincoln, Abraham, 1809-1865 -- Assassination
Lincoln, Abraham, 1809-1865 -- Views on slavery
Lincoln, Abraham, 1809-1865 -- Political and social views
Political leadership -- United States -- History -- 19th century.
Presidents -- United States -- Biography
Slaves -- Emancipation -- United States
Slavery -- History
Slavery -- Law and legislation -- United States -- History
United States -- History -- Civil War, 1861-1865