1971
1967
1975
1968
1969
1968-1971
1973
1972
1967-1972
circa 1972
1970
1967-1971
2000-100 BCE
(1962); 1982
circa 1975
1990-96
1986 (replica); 1501-1600 (original)
1973-1974
1830 (original); 1967 (model)
1970-1972
1903 (original); 1982 (model)
1970-1971
1969-1970
1974
4000-2001 BCE
1968-1972