dimple.png derived from:
http://mxr.mozilla.org/mozilla-central/source/toolkit/themes/pinstripe/global/splitter/dimple.png
Mozilla Public License/GPL/GLPL


Farm-fresh icon set from FatCow Web Hosting
link: https://www.iconfinder.com/iconsets/fatcow
Creative Commons (Attribution 3.0 United States)

Icons used:
braille.png https://www.iconfinder.com/icons/64010/braille_code_icon 
link.png https://www.iconfinder.com/icons/36158/link_url_icon


serial.png comes from the Koha project and is used under the terms of the GPL3.
The icon was originally provided by VOKAL (Vermont Organization of Koha
Automated Libraries).

Nuvola 1.0 (KDE 3.x icon set) (nuvola)
link: http://www.icon-king.com/projects/nuvola/
license: LGPL-2.1
formats: png
subdirectory: open_icon_library-devel/icons/nuvola

Icons Used:
input-tablet-3.png


Oxygen Icons 4.3.1 (KDE) (oxygen)
link: http://www.oxygen-icons.org/
license: Dual: CC-BY-SA 3.0 or LGPL
formats: svg, png
subdirectory: open_icon_library-devel/icons/oxygen

Icons Used:
media-optical-blu-ray.png


Wikimedia Commons
link: http://commons.wikimedia.org/wiki/Main_Page
license: CC BY-SA 3.0
format: jpg

Icons Used:
Arrows1.jpg