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Volume 19(8);  August 1933
The cover of the journal
Chemistry
The Photochemical Production of Triphenylmethyl
J. O. Halford and Leigh C. Anderson
Proc Natl Acad Sci U S A. 1933 August; 19(8): 759–762.
PMCID: PMC1086151
Genetics
Evidences of Man's Ancestral History in the Later Development of the Child
C. B. Davenport
Proc Natl Acad Sci U S A. 1933 August; 19(8): 783–787.
PMCID: PMC1086157
The General Formula of Heredity
Harry H. Laughlin
Proc Natl Acad Sci U S A. 1933 August; 19(8): 787–801.
PMCID: PMC1086158
Geology
An Amynodont Skull from the Sespe Deposits, California
Chester Stock
Proc Natl Acad Sci U S A. 1933 August; 19(8): 762–767.
PMCID: PMC1086152
Mathematics
Number of Operators of Prime Power Orders Contained in a Group
G. A. Miller
Proc Natl Acad Sci U S A. 1933 August; 19(8): 780–783.
PMCID: PMC1086156
Physics
Contact Potential Differences between Different Faces of Copper Single Crystals
H. E. Farnsworth and B. A. Rose
Proc Natl Acad Sci U S A. 1933 August; 19(8): 777–780.
PMCID: PMC1086155
Psychology
On the Invariance of General Intelligence
Edwin B. Wilson
Proc Natl Acad Sci U S A. 1933 August; 19(8): 768–772.
PMCID: PMC1086153
Retinal Rivalry as a Neglected Factor in Stereoscopic Vision
Margaret Floy Washburn
Proc Natl Acad Sci U S A. 1933 August; 19(8): 773–777.
PMCID: PMC1086154
Journal Matter
Original table of contents page
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