?lise, a ?t? consid?r?e comme importante tout au long de l'histoire de l'humanit?. Dans un effort pour s'assurer que ce travail ne soit jamais perdu, nous avons pris des mesures…

This is a reproduction of a book published before 1923. This book may have occasional imperfectionssuch as missing or blurred pages, poor pictures, errant marks, etc. that were either part…

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either…