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Ernst Wigforss approx. 1930.
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This Swedish photograph is free to use either of these cases:
- For images of an artistic or scientific significance (photographic creations / fotografiska verk) , the image is public domain in either of these cases
- the photographer died before January 1, 1944
- the photographer is unknown and can not be traced, and the image was created before January 1, 1944.
- For photographic images (fotografiska bilder), such as images of the press, the image is public domain if created before January 1, 1969, in accordance with transitional regulations 1994.
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- The photographer, if known, should always be attributed.
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- Always provide source information.
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