United States Code is the Official version
Current USCA (United States Code Annotated) can be found in Westlaw
The current USCS (United States Code Service) can be found in Lexis+
United States Supreme Court Opinions - US Reports Online
United States Reports (Official Reports of the U.S. Supreme Court) - in the Law Library Catalog
United States Court of Appeals Opinions (GovInfo)
Federal Reporter (F.) in the Law Library Catalog
Federal Reporter 2d (F.2d) in the Law Library Catalog
Federal Reporter 3d (F. 3d) in the Law Library Catalog
United States District Court Cases (GovInfo)
Federal Supplement (F. Supp.) in the Law Library Catalog
Federal Supplement 2d (F. Supp. 2d) in the Law Library Catalog
Federal Supplement 3d (F. Supp. 3d) in the Law Library Catalog
eCFR (Code of Federal Regulations)