Lino Printmaker

http://www.alexgerasev.com/

http://theabundantartist.com/alex-gerasev-russian-art-printmaker-painter/

Art Movement -- American Tonalism

http://www.nytimes.com/1997/04/25/arts/the-misty-mood-of-the-tonalists.html

http://www.askart.com/AskART/interest/Tonalism_1.aspx?id=104&pg=style

Good articles about American Tonalists. 

http://www.amazon.com/History-American-Tonalism-1880-1920/dp/1555953026

Book about American Tonalism with many reviews.  2010 publication date.

Photographs of Artists

http://artistandstudio.tumblr.com/artists  -- List of artists.

Interesting photographs of artists.  Also photographs of groups of people, artworks, and studios.