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Volume 8(1);  January 1922
The cover of the journal
Chemistry
The Relation of Chalcedony to the Other Forms of Silica
Edward W. Washburn and Louis Navias
Proc Natl Acad Sci U S A. 1922 January; 8(1): 1–5.
PMCID: PMC1084944
Geology
Coral Reefs of the Louisiade Archipelago
W. M. Davis
Proc Natl Acad Sci U S A. 1922 January; 8(1): 7–13.
PMCID: PMC1084946
Physics
The Frequency-sensitivity of Normal Ears
H. Fletcher and R. L. Wegel
Proc Natl Acad Sci U S A. 1922 January; 8(1): 5–6.2.
PMCID: PMC1084945
Experiments with the Vacuum Gravitation Needle
Carl Barus
Proc Natl Acad Sci U S A. 1922 January; 8(1): 13–15.
PMCID: PMC1084947
Journal Matter
Original table of contents page
Administrative content — journal masthead, notices, indexes, etc.
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