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cs109 · Sep 10, 2013 · 3aac1c1 · 3aac1c1
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diff --git a/lec_03_statistical_graphs.ipynb b/lec_03_statistical_graphs.ipynb
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      "source": [
       "# A Gallery of Statistical Graphs in Matplotlib\n",
       "\n",
+      "Companion notebook to [Lecture 3](https://drive.google.com/folderview?id=0BxYkKyLxfsNVd0xicUVDS1dIS0k&usp=sharing) of Harvard [CS109: Data Science](http://cs109.org). Prepared by [Chris Beaumont](http://github.com/ChrisBeaumont)\n",
+      "\n",
       "Inspiration taken from http://nbviewer.ipython.org/5357268\n",
       "\n",
       "Also see these same examples with [Matplotlib defaults](http://nbviewer.ipython.org/urls/raw.github.com/cs109/content/master/lec_03_statistical_graphs_mpl_default.ipynb)"