Yes, he does. Once in a discussion of how countries relate to the consuls of other nations, and once for saying that a country needs to a really good constitution.
William Rawle discusses “offenses against the law of nations” in his View of the Constitution.
Vattel’s Law of Nations is referenced on the same pages (224 and 225).
http://archive.org/stream/aviewconstituti00rawlgoog#page/n248/mode/2up/search/Vattel
“to establish a supreme tribunal to judge all disputes, independently of the prince”
Rawle? Vattel?