Sperrgebiete um Europa und Afrika
"Aus Michelsen, Der U-Bootskrieg 1914-1918". Includes inset "Sperrgebiet des nördlichen Eismeeres". On verso: U-boat diagrams and ancillary map "Amerikanisches Sperrgebiet". Available also through the Library of Congress Web site as a raster image.
Wagner & Debes
[A portolan chart of the Atlantic Ocean and adjacent continents].
Also shows the southeast Pacific Ocean, the southwest Indian Ocean, as well as the continents of South America, Africa, Europe, and portions of North America and Asia. Relief shown pictorially. Title supplied by cataloger. LC Nautical charts on vellum, 16. LC Luso-Hispanic World, Vellum Chart 16 Pen-and-ink, watercolors, and colored pencil, matted and mounted between panels of transparent Lucite plexiglass; the panels are riveted...