. Dernières pensées ... Sciences; Mathématiques. Pholo Henri Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Poincaré, Henri, 1854-1912. Paris : E. Flammarion

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectscience, bookyear1920