Public domain scan of a plan, map, architecture drawing, or diagram, free to use, no copyright restrictions - Picryl description.
Picryl description: Public domain image, 19th-20th century drawing, American, free to use, no copyright restrictions
Public domain scan of dance performance printed advertisement, free to use, no copyright restrictions image - Picryl description
Public domain reproduction of illuminated manuscript page, free to use, no copyright restrictions image - Picryl description