ZWILLENBERG v. POST, 293 F.2d 199 (3rd Cir. 1961)
ZYGOWSKI v. ERIE MORNING TELEGRAM, INC., 298 F.2d 639 (3rd Cir. 1962)
ZYNN v. O’DONNELL, 688 F.2d 940 (3rd Cir. 1982)