The regular washing of hands. Lithograph, ca. 1960.

Lettering: For health's sake wash your hands ...

Saint George fighting the dragon: anamorphic representation. Engraving by J. Harris after …
White bryony (Bryonia dioica): flowering plant. Woodcut.
Saint George fighting the dragon: anamorphic representation. Engraving by J. Harris after …
Egyptian mummy.