A feed of cases that cite 421 U.S. 100.
http://supreme.justia.com/
421 U.S. 1002007-12-13
http://supreme.justia.com/us/377/436/index.html
General Motors Corp. v. Washington, 377 U.S. 436 (1964)1964-1-1
http://supreme.justia.com/us/311/435/index.html
Wisconsin v. J. C. Penney Co., 311 U.S. 435 (1940)1940-1-1
http://supreme.justia.com/us/335/80/index.html
Memphis Nat. Gas Co. v. Stone, 335 U.S. 80 (1948)1948-1-1
http://supreme.justia.com/us/342/389/index.html
Memphis Steam Laundry Cleaner, Inc. v. Stone, 342 U.S. 389 (1952)1952-1-1
http://supreme.justia.com/us/303/250/index.html
Western Live Stock v. Bureau of Revenue, 303 U.S. 250 (1938)1938-1-1
http://supreme.justia.com/us/340/602/index.html
Spector Motor Service, Inc. v. O'Connor, 340 U.S. 602 (1951)1951-1-1
http://supreme.justia.com/us/301/148/index.html
Southern Nat. Gas Corp. v. Alabama, 301 U.S. 148 (1937)1937-1-1
http://supreme.justia.com/us/358/434/index.html
Railway Express Agency, Inc. v. Virginia, 358 U.S. 434 (1959)1959-1-1
http://supreme.justia.com/us/347/359/index.html
Railway Express Agency, Inc. v. Virginia, 347 U.S. 359 (1954)1954-1-1
http://supreme.justia.com/us/266/555/index.html
Ozark Pipe Line Corp. v. Monier, 266 U.S. 555 (1925)1925-1-1
http://supreme.justia.com/us/210/217/index.html
Galveston, H. & S.A. Ry. Co. v. Texas, 210 U.S. 217 (1908)1908-1-1
http://supreme.justia.com/us/358/450/index.html
Northwestern Cement Co. v. Minnesota, 358 U.S. 450 (1959)1959-1-1
http://supreme.justia.com/us/141/47/index.html
Crutcher v. Kentucky, 141 U.S. 47 (1891)1891-1-1
http://supreme.justia.com/us/401/37/index.html
Younger v. Harris, 401 U.S. 37 (1971)1971-1-1