Besides searching just the U.S. Supreme Court cases, cases covering constitutional law can be located in Westlaw under the Westlaw Topic Number 92. Some of the specifc areas of constitutional law are futher divided by key number, including: Constitutional Rights In General, k1050-k1129 First Amendment In General, k1150-k1209 Freedom of Religions and Conscience, k1290-k1429 Equal Protection, k3000-k3839
LexisNexis also provides access to all documents (primary and secondary) under its Constitutional Law topic.
Researchers can also search for cases in print in the digests. United States Supreme Court Digest (West) LAW FEDERAL 1st floor KF 101.1 .W47 Digest of United States Supreme Court Reports, Lawyers' Edition (LexisNexis) LAW FEDERAL 1st floor KF 101.1 .L39 Cancelled in 2011 Federal Digest (West) LAW FEDERAL 1st floor KF 127 .F43