1885 J. O. Halliwell (ed. 5) 566 The subtle devices..some of which..may be equally observed..in the original plot-sources of his dramas.
1935 7 200 The last two-thirds of it are taken almost verbatim from the original plot source, the short story ‘Money Maze’.
2000 (Nexis) 1 Mar. 20 As with the original movie, the E. B. White children's book will be a main plot source for the sequel.