References
- Fries , C. C. 1952 . The Structure of English 62 New York
- Allen , Ralph B. 1950 . English Grammar 187 New York
- Twain , Mark . 1933 . “The Jumping Frog; the Original Story in English; the Retranslation Clawed Back from the French, into a Civilized Language Once More, by Patient and Unremunerated Toil,” . In 1601 . . . and Sketches Old and New 50 n.p.