http://www.hzim.org/s/bootstrap/css/bootstrap-ie6.min.css
https://www.thebureauinvestigates.com/wp-content/themes/tbij/assets/css/bootstrap-ie6.min.css
http://ibayapp.com/bst/bootstrap/css/bootstrap-ie6.min.css
http://www.hra.nhs.uk/wp-content/themes/hra/assets/css/bootstrap-ie6.min.css
http://tongjipress.com.cn/assets/css/bootstrap-ie6.min.css