PNG ICO ICNS MORE
Social media
Pixel
Mighty Social Icons
Linkedin
DarkCyan
32x32
PNG MORE
WPZOOM Social Networking Icon Set
SteelBlue
38x38
Macchiato
Py, Linkedin
CornflowerBlue
20x20
32 Pixel Social Media Icons
Teal
Classy Social Media Icons
Social Networking
48x48, Linkedin
Social Media Mini
16x16
Dead simple
DodgerBlue
15x15