Sources
http://www.japanfocus.org/-frederick_s_-litten/3225
http://www.exulanten.com/zoo.html
http://www.belfastzoo.co.uk/ZooHome/AboutBelfastzoo/HistoryOfZoo.aspx
http://www.news.com.au/weird-true-freaky/search-on-for-backyard-elephant-angel/story-e6frflri-1225699532724
http://www.zoo-berlin.de/zoo/the-company/history.html?L=1
http://www.elephant.se/location2.php?location_id=20
http://www.youtube.com/watch?v=YuiXg4k4UZQ
http://en.wikipedia.org/wiki/Warsaw_Zoo
http://www.warsawvoice.pl/WVpage/pages/article.php/18143/article
http://www.imdb.com/video/withoutabox/vi3786670617?ref_=tt_pv_vi_0
http://en.wikipedia.org/wiki/Ueno_Zoo
http://www.gojapango.com/tokyo/ueno_zoo.html
Pictures
http://www.warhistoryonline.com/wp-content/uploads/2012/10/EssentialCollectionVol2.jpg
http://www.ww2shots.com/gallery/d/6295-2/Heinkel+over+London+Wwii+59-ww2shots-air+force.jpg
http://images1.wikia.nocookie.net/__cb20111023003809/genealogy/images/3/3f/Destroyed_Warsaw,_capital_of_Poland,_January_1945.jpg
http://abcnews.go.com/images/International/gty_ruined_buildings_ss_jp_120823_ssh.jpg
http://cdn.theatlantic.com/static/infocus/ww2_19/w34_Nagasak3.jpg
http://files.myopera.com/eyeswideshut/albums/9525322/eyeswideshut_wwii_part_19_045.jpg
http://www.german-architecture.info/GERMANY/cologne-war(2).jpg
http://images.wikia.com/althistory/images/d/d4/Germany_after_WWII_Berlin.jpg
http://i.telegraph.co.uk/telegraph/multimedia/archive/01370/Ulster-elephant_1370745c.jpg
http://myexpatgermany.com/wp-content/uploads/2011/05/best-places-to-visit-in-Germany-_after-WWII-bombing.jpg
http://img40.imageshack.us/img40/9237/fm932534a.jpg
http://www.citizensadvice.co.uk/PageFiles/302/bwbomb.jpg
http://www.exulanten.com/zoo.html
http://www.belfastzoo.co.uk/ZooHome/AboutBelfastzoo/HistoryOfZoo.aspx
http://www.news.com.au/weird-true-freaky/search-on-for-backyard-elephant-angel/story-e6frflri-1225699532724
http://www.zoo-berlin.de/zoo/the-company/history.html?L=1
http://www.elephant.se/location2.php?location_id=20
http://www.youtube.com/watch?v=YuiXg4k4UZQ
http://en.wikipedia.org/wiki/Warsaw_Zoo
http://www.warsawvoice.pl/WVpage/pages/article.php/18143/article
http://www.imdb.com/video/withoutabox/vi3786670617?ref_=tt_pv_vi_0
http://en.wikipedia.org/wiki/Ueno_Zoo
http://www.gojapango.com/tokyo/ueno_zoo.html
Pictures
http://www.warhistoryonline.com/wp-content/uploads/2012/10/EssentialCollectionVol2.jpg
http://www.ww2shots.com/gallery/d/6295-2/Heinkel+over+London+Wwii+59-ww2shots-air+force.jpg
http://images1.wikia.nocookie.net/__cb20111023003809/genealogy/images/3/3f/Destroyed_Warsaw,_capital_of_Poland,_January_1945.jpg
http://abcnews.go.com/images/International/gty_ruined_buildings_ss_jp_120823_ssh.jpg
http://cdn.theatlantic.com/static/infocus/ww2_19/w34_Nagasak3.jpg
http://files.myopera.com/eyeswideshut/albums/9525322/eyeswideshut_wwii_part_19_045.jpg
http://www.german-architecture.info/GERMANY/cologne-war(2).jpg
http://images.wikia.com/althistory/images/d/d4/Germany_after_WWII_Berlin.jpg
http://i.telegraph.co.uk/telegraph/multimedia/archive/01370/Ulster-elephant_1370745c.jpg
http://myexpatgermany.com/wp-content/uploads/2011/05/best-places-to-visit-in-Germany-_after-WWII-bombing.jpg
http://img40.imageshack.us/img40/9237/fm932534a.jpg
http://www.citizensadvice.co.uk/PageFiles/302/bwbomb.jpg