PNG ICO ICNS MORE
UI
Pixel
Lynx Black
open, gtk
Black
24x24
Fugue Icons
Book, open, Address
Silver
16x16
open, next, Book
MidnightBlue
open, Book, previous
WhiteSmoke
Book, open
PNG MORE
BWPX
envelope, open
Gray
18x18
open, Lock
package, Box, open
Lullacons Pack 1
open, Blue, Folder
Folder, open, green
open, White, Folder
red, Folder, open
open, mail
mail, mini, open
DimGray
12x12
Gnome icons
open, document
32x32
open, Folder
48x48
Design, open, In
DarkSlateGray
Book, open, help
Only, open, read
open, toolbar, Navigator
open, multiple, mail