1957
1955
1954
circa 1955
2000-100 BCE
1955; 1830
1954-1955
1956
1990-96
1986 (replica); 1501-1600 (original)
circa 1956
4000-2001 BCE
1903 (original); 1982 (model)
1830 (original); 1967 (model)
1955-03-01
1955-04-20
1955-09-26
1955-01-26