Penguin book
1948
1948
1946
1943
1948
1946
1937
1937
1945
1947
1938
1942
1940-1944
1942
2000-100 BCE
1946
1944-1945
1939
1946
1946-1948
1945
1948
1940
1939-1945
1940-1945
1938-1940
1938
1946
1947
1943
1944
1938 and 1951
1940
1938
1940
1938
1948
1938
1938
1940
1942
1937-1938
1937-1937
1938
1938
1955; 1830
1948
1937-1938
1945
circa 1938
1947