VATTEL, Emmerich de. Questions de droit naturel, et observations sur le traité du droit de la nature de M. le Baron de Wolf. 1762.

First edition of the last work published by the famous Swiss jurist.
Despite his critical remarks regarding Wolff's theory, he declared himself to be Wolff's disciple and set himself the task of commenting on Wolff's work to make it more useful.
Thus, he aimed to accustom young people studying natural law to clear, precise and clear argumentation. If Woff ever made a mistake, he proposed to correct it ("Warning").