Unknown photographer for the original image. User Caleidoscopic went to the physical location of the Fundación Flavio Machicado Viscarra in La Paz to photograph the book and e-mail it to me on 6 September 2018
It is an anonymous work or pseudonymous work and 50 years have passed since the date of its publication
It is a collective audiovisual or photographic work and 50 years have passed since the date of its publication (or creation, whatever date is the latest)
It is another kind of work, and 50 years have passed since the year of death of the author (or last-surviving author)
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