PNG ICO ICNS MORE
Computer & hardware
3D
Icons Unleashed Vol. 1 - Computer Hardware
learn, school, study
SaddleBrown
256x256
Mixed
Vista Style Base Software
bookmark, diary, Book
Black
Network & communications
BeOS
Books, learn, school
Teal
128x128
Human o2
Books, school, learn
Peru
Photography & graphic design
Dark Glass
dictionary, Book, learn
CornflowerBlue
UI
Nuvola
Edutainment, learn, package
DarkGreen
Crystal Clear
tutorials, Black board, table
DarkSeaGreen