Papers, 1911-1984.
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Dale, Edgar, 1900-....
http://n2t.net/ark:/99166/w67m07dg (person)
Emeritus Professor of Education, The Ohio State University. Prof. Dale was a prominent authority on the use of audio-visual materials in education and developed a widely-used readability formula for measuring the difficulty of reading materials. From the description of Papers, 1911-1984. (Ohio State University Libraries). WorldCat record id: 14771326 ...