Black and white photo of two bears in what looks like a concrete pen, apparenlty drinking water off the floor of the pen
Image of the Polar Bear Den in Washington Park Zoo and some visitors observing the bears. The Zoo h...
Polar and black bears are seen congregating near the den's swimming pool and moat by onlookers.Color...
Black and white photo of two ostriches, apparently a male and a female, in a zoo enclosure
Black and white photo of two bears in what looks like a concrete pen, apparenlty drinking water off ...
Black and white photo of two polar bears feeding on what look like small fish in a zoo enclosure
Balck and white photo of three bears in a zoo enclusure around a pit; barred fence of the enclosure ...
Black and white photo of a bear, probably a grizzly, in a zoo enclusure looking up at the camera
Black and white photo of a bear, probably a grizzly, in a zoo inclosure, looking up at the camera
Black and white photo of people walking through the zoo. To the left is an animal enclosure, with mo...
Black bears in a cage with onlooker at the Washington Park Zoo, which opened in 1904; divided back.C...
This black and white photograph features what appears to be polar bears jumping into the water at a ...
Title devised from accompanying information where available.; Part of the: Fairfax archive of glass ...
Black and white photo of two groups of monkeys in a zoo enclosure; One group is gathered on the floo...
Image of the Polar Bear Den in Washington Park Zoo and some visitors observing the bears. The Zoo h...
Polar and black bears are seen congregating near the den's swimming pool and moat by onlookers.Color...
Black and white photo of two ostriches, apparently a male and a female, in a zoo enclosure
Black and white photo of two bears in what looks like a concrete pen, apparenlty drinking water off ...
Black and white photo of two polar bears feeding on what look like small fish in a zoo enclosure
Balck and white photo of three bears in a zoo enclusure around a pit; barred fence of the enclosure ...
Black and white photo of a bear, probably a grizzly, in a zoo enclusure looking up at the camera
Black and white photo of a bear, probably a grizzly, in a zoo inclosure, looking up at the camera
Black and white photo of people walking through the zoo. To the left is an animal enclosure, with mo...
Black bears in a cage with onlooker at the Washington Park Zoo, which opened in 1904; divided back.C...
This black and white photograph features what appears to be polar bears jumping into the water at a ...
Title devised from accompanying information where available.; Part of the: Fairfax archive of glass ...
Black and white photo of two groups of monkeys in a zoo enclosure; One group is gathered on the floo...
Image of the Polar Bear Den in Washington Park Zoo and some visitors observing the bears. The Zoo h...
Polar and black bears are seen congregating near the den's swimming pool and moat by onlookers.Color...
Black and white photo of two ostriches, apparently a male and a female, in a zoo enclosure