Penguin book
1948
1948
1946
1948
1949
1946
1945
1947
1946-1948
1945
1947
1946
1955; 1830
1948
1946
1946
2000-100 BCE
1948
1949
1938 and 1951
1948
1945
1949
1947
1945-1948
1946-1948
1948
1986 (replica); 1501-1600 (original)
1945-1946
1947-1948
1949
1948
1948
1990-96
1949
4000-2001 BCE
circa 1945
1949
1947
1801-1892 (prepared); 1946 (element replaced)
circa 1947
1947
1903 (original); 1982 (model)
1830 (original); 1967 (model)
1951-1900
1950-1930
1947
1948
1950-1920
1971-1900
1950-1900