UK - Threshold - 1970
Australia - Threshold - 1970
Canada - Threshold - 1970
Denmark - Threshold - 1970
France - Threshold - 1970
Germany - Threshold - 1970
Italy - Threshold - 1970
USA - Threshold - 1970
Japan - Threshold - 1971
Germany - Threshold - 1974
Yugoslavia - Jugoton - 1976
Europe - Threshold - 2018
Japan - Threshold