--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/data/tiles/sources.txt	Sun Sep 18 00:39:55 2011 +0200
@@ -0,0 +1,15 @@
+Sources for the various image files:
+
+[biohazard.png]
+URL: http://en.wikipedia.org/wiki/File:Biohazard.svg
+License: public domain
+
+[exit.png]
+URL: http://commons.wikimedia.org/wiki/File:PublicInformationSymbol_EmergencyExit.svg
+License: "The symbols presented in these guidelines can be freely used by
+  anyone and can be accessed at the Web site (http//www.ecomo.or.jp) of the
+  Eco-Mo Foundation. However, registering these symbols as your trademark or
+  design can be a copyright infringement."
+
+All other images are original and licensed under the same terms as the rest of
+the game.