The art fair's second edition features plenty of paintings, plus some unusual sculptures, by previously overlooked 20th-century artists

Amid the commercial commotion, fairs like The Armory Show, Independent 20th Century and Photofairs New York are providing free or discounted space for non-profits

This year’s iteration at Cipriani South Street focuses on overlooked artists and their archives

Contemporary fair has reinvented itself after scaling back and moving to a November slot, although it has lost some big name exhibitors

"Outsider" artists hold their own against more established contemporary names and inspire buyers in search of authenticity and quirk