Public law governs relationships between individuals and the government, and those relationships between individuals which are of direct concern to society. Public law comprises constitutional, administrative, criminal, as well as all procedural law.¹ Well known documents in this area are e.g. the U.S. constitution or the Bill of Rights.
#8 (EU) Citizenship
#5 United States Law
#2 State-Caused Harm
¹ Definition provided by Wikipedia: http://bit.ly/2rnaGMs.