written by (18 episodes, 1978-1982)
teleplay (2 episodes, 1980-1982)
creator (1 episode, 1980)
writer (2 episodes, 1978)
written by (1 episode, 1979)
written by (2 episodes, 1978-1979)
written by (2 episodes, 1981)
written by (2 episodes, 1982)
written by (1 episode, 1978)
writer (1 episode, 1978)