1971
1975
1968
1969
1968-1971
1973
1972
circa 1972
1970
1974-1976
1976
(1962); 1982
2000-100 BCE
circa 1975
1990-96
1974
1986 (replica); 1501-1600 (original)
1973-1974
1970-1972
1903 (original); 1982 (model)
1970-1971
1969-1970
4000-2001 BCE