Smashing Magazine gave free academic icon to download for free. These icons created by PixelsDaily exclusively for SmashingMagazine. The icons are availabel in PNG and PSD format in a size of 128×128 pixel.
Free Academic Icons Download
The icons are consist of:
You can download the icons for free because it is under a Creative Commons Attribution license that allows you to distribute, remix, tweak and build on your work, even commercially, as long as you credit the original designer (in this case, PixelsDaily).