1979
1975
1976-1979
1977
1974-1976
1976
2000-100 BCE
1974-1977
(1962); 1982
circa 1975
1990-96
1986 (replica); 1501-1600 (original)
1978
1903 (original); 1982 (model)
1974
4000-2001 BCE
1975-1978
circa 1976
1970 and post 1989