Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the Government for a redre
In LexisAdvance you can Browse to Constitutional Law, Bill of Rights, Fundamental Freedoms and you'll have topics to choose from and there's an image below to help.
Freedom of Assembly
Freedom of Association
Freedom of Religion
Freedom of the Speech
Freedom to Petition
General Overview
Judicial and Legislative Restraints
To search cases by topic in Bloomberg Law, select the Search & Browse tab, then Court Opinions. Beside the Select Topic box, use the Browse drop-down menu to locate Constitutional Law. Select it and continue with keyword searching. This will narrow your search to only Constitutional Law cases.
Google Scholar
Using Google Scholar you can choose case law to narrow your search.