• Koch Brothers Net Worth Soars Past $100 Billion http://www.huffingtonpost.com/2014/04/16/koch-brothers-net-worth_n_5163010.html 18 comments 17/4/2014 politics
• Koch Brothers Net Worth Tops $100 Billion as TV Warfare Escalates http://www.bloomberg.com/news/2014-04-16/koch-brothers-worth-100-billion-buying-printers-to-ads.html 45 comments 17/4/2014 economy
• Koch Brothers Net Worth Tops $100 Billion as TV Warfare Escalates - Bloomberg http://mobile.bloomberg.com/news/2014-04-16/koch-brothers-worth-100-billion-buying-printers-to-ads.html 17 comments 17/4/2014 politics
• Koch Brothers Net Worth Tops $100 Billion as TV Warfare Escalates http://www.bloomberg.com/news/2014-04-16/koch-brothers-worth-100-billion-buying-printers-to-ads.html 4 comments 17/4/2014 politics