Articles
The Education and Counseling of Returned Service Personnel
Horace T. Morse
Aircraft Electronic Instrumentation
A. P. Upton
Common Distributional Pattern in Geographical Ranges of Plant Species and the Problem of Center of Origin
C. W. Sharsmith
Hemophilia In Man: The Need for Complete Familial Data
Clarence P. Oliver and Eleanor H. Lindeman
Making Beats Visible
Carl J. Ulrich
Some Emission Phenomena Observed on Commercial Photocells
Zaboj V. Harvalik