"Alvan Clark & Sons" . . "International Congress of Arts and Sciences" . . "Science" . . "Congress of Arts and Science (1904 : Saint Louis, Mo.)" . . . . . . . . . . . . . . . . . . . . "Simon Newcomb papers" . . . . . . . . . . . . . . . . . . . . . . . . . "Conference papers and proceedings" . . . "Records and correspondence" . . . . . . . . . . . . . .