1. Watson v. City of Memphis,, 373 U.S. 526 (1963).
2. Village of Euclid, Ohio v. Ambler Realty Co., 272 U.S. 365, Village of Euclid, Ohio v. Ambler Realty Co., 272 U.S. 365 (1926).
3. Shay v. Delaware 122 N.J.L. 313, 316 (N.J. 1939).
4. Plessy v. Ferguson, 163 US 537, Plessy v. Ferguson, 163 US 537 (1896).
5. Muir v. Louisville Park. 1953.