Penguin book
1948
1948
1946
1943
1948
1945
1947
1945
1944-1945
1946
1946
1946
1948
1946
1944
2000-100 BCE
1943
1938 and 1951
1947
1948
1955; 1830
1945
1946-1948
1948
1945-1948
1943
1948
1990-96
1948
1943-1945
1947-1948
circa 1947
circa 1945
1947
1945-1946
1944
1903 (original); 1982 (model)
4000-2001 BCE
1947
1948
1947
1946-1948
1801-1892 (prepared); 1946 (element replaced)
1830 (original); 1967 (model)
1948
1946
1989-08
circa 1945
1945
1944
28 February 1945