topic

• Waterfalls2
• Railroad bridges1

name

collection

• Robert N. Dennis collection of stereoscopic views4

place

• Genesee River (Pa. and N.Y.)4
• New York (State)4
• Portage (N.Y.)4

genre

• Photographs4
• Stereographs4

division

• Wallach Division: Photography Collection4

type

• still image4