Barcelona (Spain): Juan Miro International Graphic Exhibition, 1975;
Mannheim (Germany): Contemporary Romanian Fine Art, 1979;
Maastricht (The Netherlands): Romanian Graphics, 1982;
Kraków (Poland): International Biennale of Graphic Work, 1985;
Budapest (Hungary): Exhibit of Hungarian Fine Artists from Romania, 1990, 1992, 1993, 1995;
Washington (USA): Exhibit of Hungarian Fine Artists from Transylvania, 1990;
Stockholm (Sweden), 1994, 1996;
Frankfurt (Germany): „Kaddisch”, 1995;
Debrecen, Szarvas, Nyíregyháza (Hungrary): 12 artists from Transylvania (1993);
Budapest (Hungary), 1996;
Kecskemét (Hungary): Contemporary Fine Arts from Tîrgu Mureș, 2000;
Budapest (Hungary), ERNST Museum: Half-life (2002);
Millenary tracks - 10 graphic artists from Romania: Rome, Paris, Berlin, Stockholm, Moscow, Bucharest, Budapest, 2005.

Creation camps: Iserlohn - Germany (1984, 1989, 1995, 1996, 1997, 1998, 2002, 2003), Lăzarea - Romania (1988), Cătălina – Romania (1992), Marcali - Hungary (1992), Zalaegerszeg – Hungary (1993), Bolyai creation camp in Tîrgu Mureș - Romania (2009).
Barcelona (Spain): Juan Miro International Graphic Exhibition, 1975;
Mannheim (Germany): Contemporary Romanian Fine Art, 1979;
Maastricht (The Netherlands): Romanian Graphics, 1982;
Kraków (Poland): International Biennale of Graphic Work, 1985;
Budapest (Hungary): Exhibit of Hungarian Fine Artists from Romania, 1990, 1992, 1993, 1995;
Washington (USA): Exhibit of Hungarian Fine Artists from Transylvania, 1990;
Stockholm (Sweden), 1994, 1996;
Frankfurt (Germany): „Kaddisch”, 1995;
Debrecen, Szarvas, Nyíregyháza (Hungrary): 12 artists from Transylvania (1993);
Budapest (Hungary), 1996;
Kecskemét (Hungary): Contemporary Fine Arts from Tîrgu Mureș, 2000;
Budapest (Hungary), ERNST Museum: Half-life (2002);
Millenary tracks - 10 graphic artists from Romania: Rome, Paris, Berlin, Stockholm, Moscow, Bucharest, Budapest, 2005.
Creation camps: Iserlohn - Germany (1984, 1989, 1995, 1996, 1997, 1998, 2002, 2003), Lăzarea - Romania (1988), Cătălina – Romania (1992), Marcali - Hungary (1992), Zalaegerszeg – Hungary (1993), Bolyai creation camp in Tîrgu Mureș - Romania (2009).
József Haller