diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..5ea0745
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2013 Marc J. Scmidt
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/README.md b/README.md
index a92b0fc..5388616 100644
--- a/README.md
+++ b/README.md
@@ -71,3 +71,30 @@ Event-Based resize detection inspired by [backalleycoder.com](http://www.backall
 
 [![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/marcj/css-element-queries/trend.png)](https://bitdeli.com/free "Bitdeli Badge")
 
+
+License
+-------
+This code is copyright 2013 Marc J. Schmidt and is licensed under the MIT license. See the `LICENSE` file for the full text.
+
+
+ElementQueries.convertToPx covered by the following license:
+
+> Copyright (c) 2013 Rob Brackett
+> 
+> Permission is hereby granted, free of charge, to any person obtaining a copy of
+> this software and associated documentation files (the "Software"), to deal in
+> the Software without restriction, including without limitation the rights to
+> use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+> of the Software, and to permit persons to whom the Software is furnished to do
+> so, subject to the following conditions:
+> 
+> The above copyright notice and this permission notice shall be included in all
+> copies or substantial portions of the Software.
+> 
+> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+> IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+> FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+> AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+> LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+> OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+> SOFTWARE.
diff --git a/src/ElementQueries.js b/src/ElementQueries.js
index 2efe47c..5fa2f05 100644
--- a/src/ElementQueries.js
+++ b/src/ElementQueries.js
@@ -1,3 +1,8 @@
+/**
+ * Copyright 2013 Marc J. Schmidt. See the LICENSE file at the top-level
+ * directory of this distribution and at
+ * https://github.com/marcj/css-element-queries/blob/master/LICENSE.
+ */
 ;
 (function() {
     /**
@@ -21,7 +26,7 @@
 
         /**
          *
-         * @copyright https://github.com/Mr0grog/element-query
+         * @copyright https://github.com/Mr0grog/element-query/blob/master/LICENSE
          *
          * @param element
          * @param value
diff --git a/src/ResizeSensor.js b/src/ResizeSensor.js
index 93fea38..54ba91d 100644
--- a/src/ResizeSensor.js
+++ b/src/ResizeSensor.js
@@ -1,3 +1,8 @@
+/**
+ * Copyright 2013 Marc J. Schmidt. See the LICENSE file at the top-level
+ * directory of this distribution and at
+ * https://github.com/marcj/css-element-queries/blob/master/LICENSE.
+ */
 ;
 (function() {