2018
2015, Demon
2014, Frontiers
2012
2011, Frontiers
2011, Frontiers
Equator (25th Anniversary Expanded)
2010, Lemon Recordings
2010
2009, Edel
2008, Sanctuary
2006, Sanctuary
2006, Union Square
2005, Sanctuary
2003, Sanctuary
2003, Sanctuary
1998, Castle
1996, Castle
1995, Steamhammer
1992, Castle
1991, Castle
1985, Columbia
1982
1980, Bronze Records
1972, Mercury
1972, Mercury
1971, Castle
1970, Castle