'Tides in the solid earth', Harpers
Tags: 1910; 1910-4-1; 1910s; Earth Sciences; Earth tides; Geology; Hecker, Oskar; Magnetic properties; Measurement; Moon
'A woman in the Pennsylvania silk-mills', Harpers
Tags: 1910; 1910-4-1; 1910s; Employment; Engineering; Industrial; Industrial relations; manufacturing; Pennsylvania; Production; Research; Sanville, Florence L.; Women silk industry workers; Young women
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