< Page:Popular Science Monthly Volume 66.djvu
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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. | ||||||
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