P. A. Shepherd

Development and application of a zeapons multiblock suite

P. A. Shepherd, G. R. Tod, 1988 .

Recognition Memory as a Method of Assessing Intelligence of an Infant with Quadriplegia

P. A. Shepherd, J. Fagan, D. Drotar, 1989, Developmental medicine and child neurology.

Theoretical Issues in the Early Development of Visual Perception

P. A. Shepherd, J. Fagan, 1981 .

Selective screening device for the early detection of normal or delayed cognitive development in infants at risk for later mental retardation.

P. A. Shepherd, J. Fagan, J. Montie, 1986, Pediatrics.

Visual Pattern Detection and Recognition Memory in Children with Profound Mental Retardation

P. A. Shepherd, J. Pagan, 1981 .

Visual pattern detection in preterm neonates

P. A. Shepherd, K. A. Kleiner, oseph F. Fagan, 1985 .

Infants' perception of face orientation

P. A. Shepherd, J. Fagan, 1979 .