442 U.S. 256 (1979) Cited 2,057 times 1 Legal Analyses
Holding that the Equal Protection Clause is implicated only when "a state legislatur[e] selected or reaffirmed a particular course of action at least in part `because of,' not merely `in spite of,' its adverse effects upon an identifiable group"
361 U.S. 516 (1960) Cited 535 times 1 Legal Analyses
Holding that ordinances mandating disclosure of organizations' membership lists violated the First Amendment as applied where "substantial uncontroverted evidence" indicated that people identified as members of the organizations were harassed and threatened, and fear of community hostility resulting from disclosure caused reductions in membership
Holding that "an investigation which intrudes into the area of constitutionally protected rights of speech" is valid so long as (Continued) there is a "substantial relation" between the information sought and a compelling state interest
Holding that companies that lost business as a result of a law that discriminated against out-of-state entities had standing, even though the law did not discriminate against the plaintiffs