The Number Concept - Its Origin and Development by Levi Leonard Conant
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page 3 of 286 (01%)
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New York MACMILLAN AND CO. AND LONDON 1931 COPYRIGHT, 1896, BY THE MACMILLAN COMPANY. COPYRIGHT, 1924, BY EMMA B. CONANT. All rights reserved--no part of this book may be reproduced in any form without permission in writing from the publisher. |
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