1. Full range picture vocabulary;Ammons,1958
2. The Blacky Pictures;Blum,1950
3. Brown, R., Fraser, C., and Bellugi, U. Evaluation procedures for grammar. In preparation.
4. Syntactic structures;Chomsky,1957
5. Speech recognition: A model and a program for research;Halle;I.R.E. Transactions on Information Theory,1962