Continental Kennel Club. (2009). CKC Answers Critics. Retrieved from http://www.continentalkennelclub.com/specialfaqs.aspx

Continental Kennel Club. (2012). German Shepherd. Retrieved from http://www.continentalkennelclub.com/ads.aspx?breednum=112

DDR Legends. (2012). History of the DDR German Shepherds . Retrieved from http://www.ddrlegends.com/nobleheritage.html

LGS. (2012). Types of GSDs. Retrieved from http://www.largegermanshepherds.com/types.htm

To Learn More About the different types of German Shepherds please see the following: Shaw, L. J. (2000). The GSD Family. Retrieved from http://www.shawlein.com/the-gsd/the-gsd-family/