Sentence:  In 1950 the Letterist, Maurice Lemaltre, had published "Riff-raff", a ten-page "<WSD>metagraphy</WSD>," which included a sequence that zoomed from the solar system through a drawing of the earth to maps of Europe, France, and Paris, and Finally one of Saint Germain de Prés. 
Meaning of the word marked with <WSD> tags:  metagraphics; hypergraphy