1. “An Evaluation of Programmed Instruction with the Mentally Retarded Utilizing Teacher Machines.”;Blackman;American Journal of Mental Deficiency,1965
2. “The Preschool Child's Concept of Number.”;Brace;The Arithmetic Teacher,February, 1965
3. “An In-Service Program in Education.”;Brown;Elementary School Journal,November, 1965
4. “Research in the Teaching of Elementary School Mathematics.”;Brown;The Arithmetic Teacher,November, 1965