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Scientific American

Stories by G. C. Caldwell

The SciencesDecember 17, 1892

Oleomargarin

G. C. Caldwell

The SciencesDecember 10, 1892

Oleomargarin

G. C. Caldwell

The SciencesMay 4, 1878

Straw for Fodder

G. C. Caldwell

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