California Stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who a More
Florida stereoscopic card. Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who asse More
Picryl description: Public domain photograph of child, child labor, farmer, early 20th-century farm, free to use, no copyright restrictions.
Picryl description: Public domain image related to an industrial revolution, mill, factory, free to use, no copyright restrictions image.
Robert Dennis's stereographs collection includes more than 72,000 stereoscopic views organized primarily by geography. The collection bears the name of the native New Yorker who assembled it over a period of mo More
Picryl description: Public domain image of an 18th-19th century military conflict, armed forces, infantry, militia, free to use, no copyright restrictions.
Picryl description: Public domain image of a rural landscape, horses, horse riding, farm animals, farmers, livestock, free to use, no copyright restrictions image.
Picryl description: Public domain image of child labor, exploitation, children workers, economic conditions, free to use, no copyright restrictions.
Picryl description: Public domain image from Robert Dennis collection of stereoscopic prints, free to use, no copyright restrictions.