Citations
http://en.wikipedia.org/wiki/File:Gentile_da_Fabriano_052.jpg
http://images.cdn.fotopedia.com/flickr-4747520064-hd.jpg
http://i.images.cdn.fotopedia.com/jmhullot-f1ad61d5020afa03558fdf3c9cb08144-hd/Burma/Bagan/Bagan.jpg
http://images.cdn.fotopedia.com/flickr-3599042771-hd.jpg
http://en.wikipedia.org/wiki/Black_Death
http://en.wikipedia.org/wiki/File:Blackdeath2.gif
http://en.wikipedia.org/wiki/File:Thetriumphofdeath.jpg
http://en.wikipedia.org/wiki/File:Xenopsylla_chepsis_(oriental_rat_flea).jpg
http://images.cdn.fotopedia.com/flickr-4747520064-hd.jpg
http://i.images.cdn.fotopedia.com/jmhullot-f1ad61d5020afa03558fdf3c9cb08144-hd/Burma/Bagan/Bagan.jpg
http://images.cdn.fotopedia.com/flickr-3599042771-hd.jpg
http://en.wikipedia.org/wiki/Black_Death
http://en.wikipedia.org/wiki/File:Blackdeath2.gif
http://en.wikipedia.org/wiki/File:Thetriumphofdeath.jpg
http://en.wikipedia.org/wiki/File:Xenopsylla_chepsis_(oriental_rat_flea).jpg