Bruce, Paul.A Study of the Self-Concept in Sixth-Grade Children. Unpublished doctoral dissertation. State University of Iowa, 1957 . 121 p.
2.
Bruce, Paul. "Relationship of Self-Acceptance to Other Variables with Sixth-Grade Children Oriented in Self-Understanding." Journal of Educational Psychology49:229-38; October 1958.
3.
Levitt, Eugene E. "Effect of a 'Causal' Teacher-Training Program on Authoritarianism and Responsibility in Grade-School Children." Psychological Reports1:449-58; December 1955.
4.
Ojemann, Ralph H. "Basic Approaches to Mental Health: The Human Relations Program at the State University of Iowa." Personnel and Guidance Journal37:198-206; November 1958.
5.
Ojemann, Ralph H., and others. "The Effects of a 'Causal' Teacher-Training Program and Certain Curricular Changes on Grade School Children." Journal of Experimental Education24:95-114; December 1955.
6.
Snider, Bill C. F. "Relation of Growth in Causal Orientation to Insecurity in Elementary School Children." Psychological Reports3:631-34; December 1957.
7.
Stiles, Frances Smythe. "Developing an Understanding of Human Behavior at the Elementary School Level." Journal of Educational Research43:516-24; March 1950.