topic: contract clause
Fletcher v. Peck 10 u.s. 87 (1810)
Trustees of Dartmouth College v. Woodward 17 u.s. 518 (1819)
Gibbons v. Ogden 22 u.s. 1 (1824)
Proprietors of Charles River Bridge v. Proprietors of Warren Bridge 36 u.s. 420 (1837)
Holden v. Hardy 169 u.s. 366 (1898)
Lochner v. New York 198 u.s. 45 (1905)