Hays, Dudley G.

article
- National Academy of Visual Instruction.. School & Society. 18:0-1. July
- Summary of Visual Viewpoints.. National Education Association Proceedings and Addresses.
- Visual Instruction Equipment and How to Use it.. National Education Association Proceedings and Addresses.
book
- Handbook of Nature Study Suggestions for Grammar Grades.. Chicago. 1900
- High School Laboratory Manual of Physics.. Boston: Ginn. 1893

Hays, Dudley G. ISU Faculty Member