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Opsomming
BeskrywingSperrgebiet-001.jpg
English: Sperrgebiet warning sign from page 127 of the South West Africa Yearbook (1947)
a) it is a cinematograph film, photograph or computer program and 50 years have passed since the end of the year in which it was first made available to the public with the consent of the copyright holder;
b) it is another type of work and 50 years have passed since the end of the calendar year in which the author died.
To the uploader: Please provide the authorship and publication details.