Polich, Edward L. (1950). A history of Portland's secondary school system with emphasis on the superintendents and the curriculum (Thesis/dissertation). University of Portland. p. 97. OCLC232551057.
Polich, Edward L. (1950). A history of Portland's secondary school system with emphasis on the superintendents and the curriculum (Thesis/dissertation). University of Portland. p. 160. OCLC232551057.