Charles Darwin: His Life Told in an Autobiographical Chapter, and in a Selected Series of His Published Letters

Jefferies, Richard, 1848-1887

Gray, Asa, 1810-1888

Geikie, Archibald, 1835-1924

Romanes, Ethel Duncan; Romanes, George John, 1848-1894

Reuther, Antoine Charles, 1824-1900

Seward, A. C. (Albert Charles), 1863-1941 [Editor]; Darwin, Francis, Sir, 1848-1925 [Editor]; Darwin, Charles, 1809-1882

Darwin, Francis, Sir, 1848-1925 [Editor]; Darwin, Charles, 1809-1882

Seward, A. C. (Albert Charles), 1863-1941 [Editor]; Darwin, Francis, Sir, 1848-1925 [Editor]; Darwin, Charles, 1809-1882

Weiser, Nathan [Translator]; Pannekoek, Anton, 1873-1960

Poulton, Edward Bagnall, Sir, 1856-1943

Huxley, Thomas Henry, 1825-1895