Thomas P Carpenter is the author of Children's Mathematics (1999), The Representation of Basic Addition and Subtraction Word Problems (1985), The Effect of Instruction on First-grade Children's Initial Solution Processes for Basic Addition and Subtraction Problems (1980), The Role of Equivalence and Order Relations in the Development and Co-ordination of the Concepts of Unit Size and Number of Units in Selected Conservation Type Measurement Problems (1971) and The Element of Psychoanalysis in the Writings of Conrad Aiken (1939).