Dark Matter Archives (also see here for Dark Matter: Art and Politics in the Age of Enterprise Culture (Marxism and Culture), by Gregory Sholette)
Valuing Labor in the Arts, Issue 5.4, April 3, 2014, Art Practical
Kirsten Forkert, “The Art Workers Coalition (revisited): a call to participate”, Journal of Aesthetics and Protest, 5.
Freelancers’ Union in the USA
UKK ( Unge Kunstnere og Kunstformidlere or Young Art Workers, in Denmark)
Additional links will be added on an ongoing basis.
New Poetics of Labor 