6 books
The Principles of Education (Classic Reprint)
The Field of Distinct Vision with Special Reference to Individual Differences and Their Correlations Volume 5
The Field of Distinct Vision; With Special Reference to Individual Differences and Their Correlations
Work in Education in Colleges and Universities, Rating, Placing, and Promotion of Teachers, Lists of Investigation and Other Information of Interest to Members..
The Field of Distinct Vision
The Principles of Education