. "3.607"^^ . . "2003Z"^^ . "AJS" . "1818Z"^^ . "The American Journal of Science (AJS) is the United States of America's longest-running scientific journal, having been published continuously since its conception in 1818 by Professor Benjamin Silliman, who edited and financed it himself."@en . "0002-9599" . "Monthly (without summer months July & August)" . "1945-452X" .