Explorez l'histoire des origines, inventions et d couvertes de l'humanit avec ce dictionnaire captivant, qui couvre une vaste gamme de sujets allant de la chimie l'astronomie. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States,...