Penguin book
1948
1948
1946
1943
1948
1945
1940
1946
1942
1947
1940-1945
1940
1940-1944
1942
2000-100 BCE
1943
1944-1945
1944
1945
1938 and 1951
1940
1947
1946-1948
1948
1940
1942
1946
1946
1955; 1830
1948
1945
1946
1947
1945-1948
1946-1948
1940
1990-96
1943-1945
1948
1947-1948
circa 1945
1940
1801-1892 (prepared); 1946 (element replaced)
1948
1940
circa 1947
1942-1945
1947
1945-1946
1940-1945
1940