Website One:
http://www.uscourts.gov/about-federal-courts/court-role-and-structure/comparing-federal-state-courts
Website Two:
http://www.supremecourt.gov/about/institution.aspx
Website Three:
http://www.supremecourt.gov/about/briefoverview.aspx
Website Four:
http://www.supremecourt.gov/about/biographies.aspx
Website Five:
https://www.supremecourt.gov/about/traditions.aspx
Bonus Website #1:
Bonus Website #2