1. Archer, E. James. A re-evaluation of the meaningfulness of all possible CVC trigrams. Psychol. Monogr., 1960, 74, No. 10 (Whole No. 497).
2. Gillooly, William B. Meaningfulness as a function of the latency of association. Unpublished doctoral dissertation, The Johns Hopkins University, Baltimore, Maryland, 1964.
3. Gillooly, William B. The effect of familiarization on associative latency. Psychon. Sci., 1965, 3, 235–236.
4. Glaze, J. A. The association value of non-sense syllables. J. genet. Psychol., 1928, 35, 255–267.
5. Hilgard, E. R. Methods and procedures in the study of learning. In S. S. Stevens (Ed.), Handbook of experimental psychol., New York: Wiley & Sons, 1951.