This right became an element of political discourse in the late Enlightenment, especially in the mid and late 1800s, as seen in the works of authors such as John Stuart Mill and Leo XIII.

References:

Catholic Church. Pope (1878-1903 : Leo XIII). Rerum Novarum : Enciclica Di Leone XIII Sulla Questione Operaia. Lugano :Edizione a cura dell'Organizzazione cristano-sociale del canton Ticino per la celebrazione del LXX, 1961.

Mill, J. S. (1975) Three essays : On liberty, Representative government, The subjection of women. London: Oxford University Press.