Opinion at http://supreme.justia.com/cases/federal/us/342/1/
Opinion at http://supreme.justia.com/cases/federal/us/509/602/case.html
Oral argument at http://www.oyez.org/cases/1990-1999/1992/1992_92_6073
Opinion at http://supreme.justia.com/cases/federal/us/433/584/case.html
Oral argument at http://www.oyez.org/cases/1970-1979/1976/1976_75_5444
Opinion at http://supreme.justia.com/cases/federal/us/538/11/
Opinion at http://www.supremecourt.gov/opinions/09pdf/08-7412.pdf
Oral arguments at http://www.supremecourt.gov/opinions/09pdf/08-7412.pdf
Opinion at http://supreme.justia.com/cases/federal/us/408/238/case.html
Oral arguments at http://www.oyez.org/cases/1970-1979/1971/1971_69_5003
Opinion at http://caselaw.lp.findlaw.com/scripts/getcase.pl?court=us&vol=000&invol=03-633
Oral arguments at http://www.oyez.org/cases/2000-2009/2004/2004_03_633/