437 U.S. 556 (1978) Cited 196 times 13 Legal Analyses
Holding that a newsletter that "urg[ed] employees to write their legislators to oppose incorporation of the state 'right-to-work' statute into a revised state constitution," "criticiz[ed] a Presidential veto of an increase in the federal minimum wage and urg[ed] employees to register to vote" was protected concerted activity
In Union Carbide the sixth circuit wrote: "Where, by policy or practice, the company permits employee access to bulletin boards for any purpose, section 7 of the Act... secures the employees' right to post union materials."
In National Labor Relations Board v. Blue Bell Inc., 219 F.2d 796 (4) (5 Cir. 1955) a female employee wrote a letter to employer's vice-president calling him a "liar".
In Maryland Drydock Co. v. NLRB, 183 F.2d 538, 539 (4th Cir. 1950), we held that an employer was entitled to maintain discipline by prohibiting "defamatory and insulting statements which reasonably tend to destroy such discipline....