The Encyclopedia Americana, Količine 1–30

activities agricultural American Army authority became become British called cause central century City color continued court culture early east economic effect electrical engine English established example field force gold groups important increased Indians individual industrial insects institutions intelligence interest invention Iowa Iran Ireland Irish Italy known Lake land language later less light living major material means measure ment million natural officers operations organization party period Persian person plants political population practice problems production region result river schools social society South term tests tion trade United University usually various West World York