1934
1936
1932
1935
2000-100 BCE
1933
1955; 1830
Before 1932
1937-1937
1990-96
1935-1936
1932-1933
1986 (replica); 1501-1600 (original)
1903 (original); 1982 (model)
4000-2001 BCE
1937
1830 (original); 1967 (model)
1801-1892 (prepared); 1946 (element replaced)
1937-12
1937-03-12
1937-10-08