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Popular Science Monthly Volume 66.djvu/20
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16
POPULAR SCIENCE MONTHLY.
Perry.
French.
Tufts.
Ormond.
Höfding.
Ward.
Arrhenius.
Hammond.
Boltzmann.
Cattell.
Ostwald.
Creighton.
Erdmann.
Loeb.
Before the Addresses of Professors Ostwald and Erdmann on the Methodology of Science.