PNG ICO ICNS MORE
UI
Flat
Metro UI Icon Set
Acrobat, reader, adobe
Firebrick
512x512
google, reader
IndianRed
Smooth
All Google icons
reader
Gainsboro
256x256
3D
Black and gold
adobe, reader
Black
Pixel
Fugue Icons
Book, reader, E
SlateGray
16x16
E, reader, Book
DarkSlateGray
32x32
Tango
News, Articles, reader