. . "Arctic regions" . . "Antarctica" . . "American Museum of Natural History." . . "Photographs of the exhibition case entitled \"Arctic and Antarctic exploration; exhibition through the gift of Lincoln Ellsworth.\" Photographs taken by Alex J. Rota."@en . . . . . . "Arctic and Antarctic exploration exhibition photographs"@en . "Photonegatives"@en . . "Photoprints"@en . . . . . "Pictorial works"@en .