1969 picture
Supersister press picture
Sacha Van Geest
Supersister VPRO Popnacht Effenaar Eindhoven September 2010
Supersister Kralingen 1970
Pinkpopfestival 1971
Supersister at Kralingen festival 1970
Robert Jan Stips interview about Kralingen Festival (in Dutch)
http://www.youtube.com/watch?v=W6LtLocOJhM