Molecular model of a peptide molecule on a white background

Map of Germany with the extent of the German Empire clearly visible

Black and white drawing of a building with a chimney and a fire…

Painting of a man holding a spear in one hand and a wild boar in the…

Drawing of a machine with a hose attached to it

Black and white drawing of a man and woman standing next to each other…

Black and white photo of a steam engine on the railway track

Small owl perched atop a tree branch against a backdrop of a clear…

Black and white photo of a restaurant with tables and chairs