Jurisdiction Courts 158 Authority 128 Claims 101 Indians of North America 84 Civil procedure 69 Conflict of laws 67 District courts 56 Justice, Administration of 56 Law and legislation 53 Criminal procedure 48 Administrative agencies 40 Federal government 37 Public lands 37 Governmental investigations 36 Reorganization 36 Land tenure 29 Class actions (Civil procedure) 27 Actions and defenses 26 Appellate procedure 25 Expenditures, Public 24 Committees 20 Patents 19 Railroads 19 Law enforcement 18 Ships 18 Citizenship 17 History 17 Judicial power 17 States 17