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Volume 29(7);  July 1943
The cover of the journal
Bacteriology
A Table Determining L.D.50 or the Fifty Per Cent End-Point
Jane Worcester and Edwin B. Wilson
Proc Natl Acad Sci U S A. 1943 July; 29(7): 207–212.
PMCID: PMC1078591
Botany
Further Observations on the Specificity of Hypoxanthine for Phycomyces
William J. Robbins
Proc Natl Acad Sci U S A. 1943 July; 29(7): 201–202.
PMCID: PMC1078589
Genetics
A Mutant of Drosophila Melanogaster Resembling the So-Called Unstable Genes of Drosophila Virilis
Richard Goldschmidt
Proc Natl Acad Sci U S A. 1943 July; 29(7): 203–206.
PMCID: PMC1078590
Mathematics
Groups Containing Four and Only Four Non-Invariant Subgroups
G. A. Miller
Proc Natl Acad Sci U S A. 1943 July; 29(7): 213–215.
PMCID: PMC1078592
On Infinite Dimensional Linear Spaces
George W. Mackey
Proc Natl Acad Sci U S A. 1943 July; 29(7): 216–221.
PMCID: PMC1078593
On Certain Non-Linear Differential Equations of the Second Order
Norman Levinson
Proc Natl Acad Sci U S A. 1943 July; 29(7): 222–223.
PMCID: PMC1078594
Journal Matter
Original table of contents page
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