International Mezzotint Society
The stated primary objective is to share enthusiasm and information, and spread knowledge of the technique and its history, to other artists who may presently feel somewhat isolated. The I.M.S. also extends membership to devotees, mezzotint collectors and print-lovers.
http://www.math.ufl.edu/~glover/mezzotint.html

Alan Frederick Sundberg
Intaglio engravings and monotypes by A.F.Sundberg. Includes introduction text in several languages. And virtual interview with renowned art critic John Berger (Ways of Seeing).
http://alan_sundberg.tripod.com

David Smith-Harrison
Art by David Smith-Harrison, intaglio etchings, aquatints. Studio in San Francisco
http://www.dshprintmaker.com

Michael Bonds Etchings
Fine original prints, etchings, engravings. Studio in Wisconsin.
http://www.michaelbondetchings.com

Green Prints
Cedric Green describes methods for non-toxic etching, including electrolytic and electrochemical methods and related techniques for intaglio plate preparation, rather than the traditional techniques using acids and hazardous solvents.
http://www.greenart.info/galvetch/contfram.htm

Introducing Color in Intaglio Prints With Paper
Essay on intaglio printmaking by John Gall.
http://www.sfonlinearts.com/Intaglio.htm

Sally Crow Studio
Printmaker and painter based in Lancashire, displays work about war, women and rock and roll.
http://www.angela0001.pwp.blueyonder.co.uk/