Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Picryl description: Public domain photograph of city street market, food vendors, downtown shopping, free to use, no copyright restrictions.
Picryl description: Public domain image of a historic building in Philadelphia, Pennsylvania, free to use, no copyright restrictions.
Picryl description: Public domain image of a public building, auditorium, hall, commons, 19th-20th century architecture, free to use, no copyright restrictions.
Philadelphia 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 Mehr
Public domain image of a large historic building, city hall, urban architecture, free to use, no copyright restrictions - Picryl description
Picryl description: Public domain image of the back of stereograph card, stereoscopic view, free to use, no copyright restrictions
Public domain scan of the back of stereograph card, stereoscopic view, 19th century, free to use, no copyright restrictions - Picryl description