The Encyclopedia Americana, Količine 1–30

activities Africa American became become body called cause century changes continued culture death early earth economic effect electrical English established European feet flight followed forces French head human important increased Indian industry islands Italy John known Lake land later less living lunar major ment meters miles moon move natural North orbit organization original party period persons plants play political population Press produced programs range recording region result river schools served skin slaves Smith smoking snakes social society soil solar sound South South Africa southern space Spain Spanish species surface tion town types United University usually West western wide World