Black and white engraving of three men in medieval clothing

Drawing of a classroom with a group of people in it

Painting of a lake with trees in the background

Black and white drawing of a man and woman standing next to a boar

Book with a cotton plant on the cover page and the words &quot;1983 Cotton…

Painting of a woman in a white and red dress

Open book with Chinese writing on it

Black and white photo of a man with a mustache wearing a blazer and…

Drawing of a machine with a variety of parts