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The photographs are not distributed for commercial purposes, only for historic reference. I will not be held responsible for any other/commercial use of these pictures. I do not intentionally want to infringe on anybodies copyright. 
Anybody who opposes (a) specific photograph (s) used, can inform me. I will remove the photograph when legally required.
When the source is known, it is mentioned through the codes which can be found on the references page.