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Volume 33(2);  February 1947
The cover of the journal
Genetics
A Reverse Mutation to a “Remote” Allele in the House Mouse
C. C. Little and K. P. Hummel
Proc Natl Acad Sci U S A. 1947 February; 33(2): 42–43.
PMCID: PMC1078980
Chromosomes of the Mink
Richard M. Shackelford and Louise Wipf
Proc Natl Acad Sci U S A. 1947 February; 33(2): 44–46.
PMCID: PMC1078981
Mathematics
Complete Convergence and the Law of Large Numbers
P. L. Hsu and Herbert Robbins
Proc Natl Acad Sci U S A. 1947 February; 33(2): 25–31.
PMCID: PMC1078977
Green's Functions for Linear Differential Systems of Infinite Order
D. V. Widder
Proc Natl Acad Sci U S A. 1947 February; 33(2): 31–34.
PMCID: PMC1078978
Special Values of e kπ, Cosh(kπ) and Sinh (kπ) to 136 Figures
Horace S. Uhler
Proc Natl Acad Sci U S A. 1947 February; 33(2): 34–41.
PMCID: PMC1078979
Journal Matter
Original table of contents page
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