Ícones Collection

Ícones Collection, Very GOOD
http://www.designfollow.com/design/icons-and-the-web-–-part-5-creating-and-modifying-icon-sets/?utm_source=twitterfeed&utm_medium=twitter

Ícones, 22 High Quallity
http://www.w3mag.com/22-hq-icon-sets/