Breard v. Alexandria (1951) upheld a city ordinance prohibiting unsolicited
door-to-door sales, ruling that the ordinance did not violate the First
Amendment.

A 1940 Supreme Court landmark decision in Cantwell v. Connecticut affirmed
the religious freedom rights of a Jehovah’s Witness man to go door-to-door,
despite offending some citizens. And that the state’s breach of peace laws
were too broad and permit requirements left too much to discretion of
officials.

Cox v. New Hampshire (1941) upheld Jehovah’s Witnesses’ conviction for
parading without a permit, ruling that their First Amendments rights had
not been violated.

Follett v. Town of McCormick (1944) invalidated a tax on selling religious
publications door-to-door using the First Amendment to reject this
restriction on religious activity.

In Hynes v. Mayor of Oradell (1976), the Court said an ordinance requiring
door-to-door canvassers to notify the police was vague and violated the
First Amendment.

Largent v Texas (1943) said giving a city mayor the power to determine who
can distribute pamphlets is censorship and not allowed under the First
Amendment.

Lovell v. City of Griffin (1938) overturned the conviction of a Jehovah’s
Witness who sold a pamphlet without getting prior permission from the city
on First Amendment grounds.

In Martin v. City of Struthers (1943), the Court overturned a ruling that
upheld the conviction of a door-to-door religious solicitor in a case
focusing on First Amendment rights.

Murdock v. Pennsylvania (1943) invalidated a city ordinance that required
solicitors to obtain a license. The Court found the law infringed on the
First Amendment rights.

Prince v. Massachusetts (1944) upheld a state regulation prohibiting
children from selling newspapers in public places, finding it was not in
violation of the First Amendment.

Schneider v. State (1939) invalidated several city ordinances that
restricted the distribution of handbills, ruling that the laws infringed on
the First Amendment.

Staub v. City of Baxley (1958) invalidated a city ordinance requiring a
permit before soliciting residents to join their organization, ruling it
violated the First Amendment.