On which network did 'Little House on the Prairie' originally air?

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