bruce-zalman-v-david-l-armstrong-individually-and-as-attorney-general-of , 802 F.2d 199 ( 1986 )
Stanley N. Parker, D.M.D. v. Commonwealth of Kentucky, Board of Dentistry , 818 F.2d 504 ( 1987 )
Pennzoil Co. v. Texaco Inc. , 107 S. Ct. 1519 ( 1987 )
Railroad Comm'n of Tex. v. Pullman Co. , 61 S. Ct. 643 ( 1941 )
Younger v. Harris , 91 S. Ct. 746 ( 1971 )