On which network did 'Good Times' originally air?

In what year did 'Happy Days' premiere? On which network did 'Little House on the Prairie' originally air? In what year did 'Little House on the Prairie' premiere? Where is 'Little House on the Prairie' set? In what year did 'Good Times' premiere? Where is 'Good Times' set? Who created 'Good Times'? On which network did 'The Jeffersons' originally air?