PNG MORE
UI
Pixel
Windows 8 Pack (Metro Style)
Library
DarkSlateGray
26x26
PNG ICO ICNS MORE
Desktop apps
Lion Style Sidebar
DimGray
16x16
Mixed
Frankfurt
Library, document
DarkOrange
32x32
Avatars & smileys
Hamburg
document, Library
WhiteSmoke
Silver
Interior & buildings
Building icons
Gray
Mobile apps
iPhone Sidebar icons
BurlyWood
Library, Books, shelf
DarkOliveGreen
Boolean
occupied, Library
Sienna
PixeloPhilia 2
shelf, Library, Books
Cologne
LightSkyBlue
Munich
Berlin
Gainsboro
PC 100 Icon Pack
Travel & hotels
Google Maps Icons
Books, Library
32x37
Gnome icons
music, Library
Black
24x24
DRF
Favorite, bookmark, Library