Black and white photo of a round window in a wall with a railing on…

Black and white photo of a building with arches

Formalin/PFA-fixed paraffin-embedded section of an anti-pfa1 antibody…

Old black and white photo of a woman sitting on a couch

Black and white photo of a sculpture of a shoe with flowers in it

Skull of a dog with a ruler next to it on a black background

Painting of a group of people on horseback in a wooded area

Black and white photo of a man in uniform

Portrait of a woman sitting in a chair