<div class="description">
Observations_sur_le_Contrat_Social_de_J._J._Rousseau</div>
<bdi><a href="https://en.wikipedia.org/wiki/en:Guillaume-Fran%C3%A7ois_Berthier" class="extiw" title="w:en:Guillaume-François Berthier"><span title="French historian and librarian (1704-1782)">Guillaume-François Berthier</span></a>
</bdi>
<a rel="nofollow" class="external free" href="https://archive.org/details/observationssur00bertgoog">https://archive.org/details/observationssur00bertgoog</a>