Congenital Mental Retardation ; a Symposium. Arranged by William M. Mcisaac, James Claghorn [and] Gordon Farrell. Proceedings Edited by Gordon Farrell

Gordon L Ed Farrell; James Claghorn; William M McIsaac; International Symposium in Mental Science, 1St, Houston, Tex., 1967.; Texas Research Institute of Mental Sciences

The Lifespan of a Fact -- Jeremy Kareken, David Murrell, Gordon Farrell, John Dagata, -- Acting