topic

• Animals2
• Parks2
• Zoos2

name

• Keystone View Company2
• Underwood & Underwood2

collection

• Robert N. Dennis collection of stereoscopic views5

place

• Colorado3
• El Paso County (Colo.)3
• Central Park (New York, N.Y.)2
• Manhattan (New York, N.Y.)2
• New York2
• More Less

genre

• Photographs5
• Stereographs5

publisher

division

• Wallach Division: Photography Collection5

type

• still image5