Cork Printmakers.

http://www.corkprintmakers.ie/

Lorg Printmakers.

http://www.lorgprintmakers.com/

International Mezzotint Society

http://www.math.ufl.edu/~glover/mezzotint.html

Visual Artists Ireland

http://www.visualartists.ie/

School of Art, Aberystwyth University.

http://www.aber.ac.uk/art/