Cohen v. California

Holding "absent a . . . particularized and compelling reason for its actions, the State may not, consistently with the First and Fourteenth Amendments, make the simple public display . . . of single four-letter expletive [on a shirt] a criminal offense"

Nat'l Labor Relations Bd. v. Gissel Packing Co.

Holding a bargaining order may be necessary "to re-establish the conditions as they existed before the employer's unlawful campaign"

Letter Carriers v. Austin

Holding that a union newsletter's description of a “scab” as a “traitor” could not be construed as a factual assertion

Republic Aviation Corp. v. Board

Finding an absence of special circumstances where employer failed to introduce evidence of "unusual circumstances involving their plants."

Labor Board v. Babcock Wilcox Co.

Holding that the Board could not require an employer to allow non-employee union representatives to enter the employer's parking lot

Labor Board v. Parts Co.

Holding that the Act “prohibits not only intrusive threats and promises but also conduct immediately favorable to employees which is undertaken with the express purpose of impinging upon their freedom of choice for or against unionization and is reasonably calculated to have that effect.”

Papish v. University of Missouri Curators

Holding that university violated First Amendment by expelling student for printing indecent newspaper despite student code prohibiting “indecent conduct or speech”

Procter & Gamble Co. v. Purex Corp.

Labor Board v. Mexia Textile Mills

Reasoning that Board's entitlement to enforcement prevents cases from becoming moot because it "adds to existing sanctions that of punishment for contempt"

Linden Lumber Division, Summer & Co. v. Nat'l Labor Relations Bd.

Recognizing "that while the election process has acknowledged superiority in ascertaining whether a union has majority support, [signed employee authorization] cards may adequately reflect employee sentiment"

Section 151 - Findings and declaration of policy

Finding that "protection by law of the right of employees to organize and bargain collectively safeguards commerce" and declaring a policy of "encouraging the practice and procedure of collective bargaining"