Allen, Edward
John Louis Feirer
Fred Hall
A. C. Davies
Stephen Emmitt
New South Wales. Division of Vocational Guidance Services.
William R. Mincks
Unknown Author
Matthys Levy
Frederick E. Gould
Clois E. Kicklighter
Leeds College Leeds College of Building
United States. Congress. Senate. Committee on Patents
Sharon Koomen Harmon
Charles M. Eastman
ATP Staff
Charles E. Reynolds
Emilio Tomasini
Francis D. K. Ching