Meek et al. v. Pittenger, Secretary of Education, et al., 421 U. S. 349; Barrett v. United States, 421 U. S. 964; Costanza v. United States, 421 U. S. 987; Smith v. United States, 421 U. S. 980; Alfred A. Knopf, Inc., et al. v. Colby, Director, Central Intelligence Agency, et al., 421 U. S. 992; Sadlak v. Gilligan, Governor of Ohio, et al., 421 U. S. 956; Nat Harrison Associates, Inc. v. Louisville Gas & Electric Co. et al., 421 U. S. 988; Crosier v. California, 421 U. S. 966; Entrekin v. United States, 421 U. S. 977; and Entrekin v. United States, 421 U. S. 977