The copyright on
was not renewed, as was then required.
It therefore entered the public domain upon the expiration of its
initial copyright.
This digital reprint remains in the public domain.
A study of issues of legibility in type design in various circumstances (newspaper use, etc.) with particular reference to Mergenthaler Linotype faces in the "Legibility Group."
The copyright date of this work is 1935. The printing code on this copy is "300.01-C-O-15X". The 'O' in this code works out to 1936.