
https://openknowledge.worldbank.org/bitstream/handle/10986/29498/9781464812521.pdf

https://theconversation.com/espana-supone-el-1-del-mercado-del-arte-global-ni-tan-mal-224584

https://eutopialaw.com/2013/03/07/sovereignty-the-historical-perspective-or-les-absents-ont-toujours-tort/#more-1809