Fonte positiva dos dados

Autor: O capital no século XXI. 2014: (orelha: formado pela London School of Economics e pela École des Hautes Études en Sciences Sociales; professor de Economia na École d'Economie de Paris)

http://authorities.loc.gov 11/4/2016: (d.n.)

http://viaf.org/processed/BNF%7C12408843: (d.n.)

http://viaf.org/processed/DNB%7C12434304X: (d.n.)

http://viaf.org/processed/WKP%7CQ984448: (Thomas Piketty - economista francês; d.n.)