A feed of cases that cite 251 U.S. 63.
http://supreme.justia.com/
251 U.S. 632007-12-13
http://supreme.justia.com/us/209/123/index.html
Ex Parte Young, 209 U.S. 123 (1908)1908-1-1
http://supreme.justia.com/us/212/19/index.html
Willcox v. Consolidated Gas Co., 212 U.S. 19 (1909)1909-1-1
http://supreme.justia.com/us/217/196/index.html
Missouri Pacific Ry. Co. v. Nebraska, 217 U.S. 196 (1910)1910-1-1
http://supreme.justia.com/us/230/340/index.html
Missouri Pacific Ry. Co. v. Tucker, 230 U.S. 340 (1913)1913-1-1
http://supreme.justia.com/us/235/651/index.html
Wadley v. Southern Ry. Co. v. Georgia, 235 U.S. 651 (1915)1915-1-1
http://supreme.justia.com/us/246/58/index.html
Gulf, Colorado & Santa Fe Ry. Co. v. Texas, 246 U.S. 58 (1918)1918-1-1
http://supreme.justia.com/us/230/553/index.html
Allen v. St. Louis, Iron Mountain & Southern Ry. Co., 230 U.S. 553 (1913)1913-1-1
http://supreme.justia.com/us/244/106/index.html
Rowland v. Boyle, 244 U.S. 106 (1917)1917-1-1
http://supreme.justia.com/us/244/368/index.html
St. Louis, Iron Mountain & Southern Ry. Co. v. McKnight, 244 U.S. 368 (1917)1917-1-1
http://supreme.justia.com/us/115/512/index.html
Missouri Pacific Railway Co. v. Humes, 115 U.S. 512 (1885)1885-1-1
http://supreme.justia.com/us/199/212/index.html
Marvin v. Trout, 199 U.S. 212 (1905)1905-1-1
http://supreme.justia.com/us/204/659/index.html
Coffey v. Harlan County, 204 U.S. 659 (1907)1907-1-1
http://supreme.justia.com/us/207/73/index.html
Seaboard Air Line Railway v. Seegers, 207 U.S. 73 (1907)1907-1-1
http://supreme.justia.com/us/212/86/index.html
Waters-Pierce Oil Co. v. Texas , 212 U.S. 86 (1909)1909-1-1
http://supreme.justia.com/us/237/502/index.html
Collins v. Johnston, 237 U.S. 502 (1915)1915-1-1