BBC photo series: Yemen’s ‘lowest of the low’ – the Al-Akhdam (BBC News, 2012, Photo Series)
http://www.bbc.co.uk/news/in-pictures-19900082
http://www.bbc.co.uk/news/in-pictures-19900082
http://www.ohchr.org/EN/NewsEvents/Pages/MinorityFellowMahaRashed.aspx
http://www.nuhr.org/DocFile/83-Manual%20Scavenging.pdf
http://www.homeoffice.gov.uk/publications/equalities/research/caste-discrimination/caste-discrimination?view=Binary
http://idsn.org/news-resources/idsn-news/read/article/un-experts-call-for-end-to-caste-based-stigma-and-slavery/128/
https://franciscansinternational.org/fileadmin/media/2017/Asia_Pacific/Publications/Modern_Slavery_in_India___Bonded_Labour_Cases_FINAL_17_Sept_2012.pdf
http://www.idsn.org/fileadmin/user_folder/pdf/New_files/IDSN/Consultations/Global_Call.pdf
https://idsn.org/fileadmin/user_folder/pdf/New_files/UN/UPR/UPR16_submission_Dalitrights_Bangladesh_2012-2013.pdf
https://idsn.org/news-resources/idsn-news/read/article/joint-upr-submission-on-dalit-rights-in-bangladesh/128/
http://www.aljazeera.com/video/asia/2012/04/201242582512678132.html