Archive document : Correspondence / Letter Gsöllpointner, Katharina ; Vasicek, Brigitte. – Letter of clarification. – Linz : Ars Electronica Center, April 2, 1992. – [1] p. – Included in the file entitled «Pionners and tools loan forms».
Archive document : Correspondence / Letter Gsöllpointner, Katharina. – [Letter to Gerald O'Grady]. – Linz : Ars Electronica, 4/11/91 [(sic)]. – [1] p. – Included in the file entitled «Pionners and tools supplementary materials».