geneimprint.org
---------------
1. [http://www.geneimprint.com/site/home](geneimprint)
-2. make geneimprint_human.txt
+2. `make geneimprint_human.txt`
+Catalog of Parent of Origin Effects Database
+--------------------------------------------
+1. [http://igc.otago.ac.nz/Search.html](Catalog of Parent of Origin Effects Database)
+2. `make parent_of_origin.txt`
+
+Combined Data Files
+===================
+
+imprinted_genes.txt -- contains a list of the imprinted genes
+
+imprinted_genes_information.txt -- contains the information for the
+list of the imprinted genes