ArtMoz.org offers links to arts websites, browse for art supplies, abstractism, illustration, landscapes, figurative, drawing, sculpture, painting and sketching.
Anthony Petullo Collection Self-taught art with heavy European influence. A comprehensive non-profit reference site. http://www.petulloartcollection.com
Inside Out Productions Outsider art created by artists with developmental disabilities. http://www.insideoutproductions.com/
Interesting Ideas An eclectic site featuring outsider art links, roadside art, and other tributes to popular culture. http://www.interestingideas.com/
Intuit - Center for Intuitive and Outsider Art A not-for-profit organization to recognize the work of artists who demonstrate little influence from the mainstream art world, and who instead seem motivated by their unique personal visions. http://outsider.art.org/
Jane's Addictions Extensive overview of outsider/art brut/visionary arts and environments; also Southern folk pottery. http://www.janesaddictions.com
Knickerbocker, Carl Paintings by Carl Knickerbocker a 'suburban primitive' artist from Florida. http://www.carlknickerbocker.com/