Available also through the Library of Congress Web site as a raster image. "For official use only." Includes inset of "Peiping and adjacent area." LC copy sectioned in two and mounted on cloth. Left lower margin trimmed away.
United States. Central Intelligence Agency
<a rel="nofollow" class="external free" href="https://www.loc.gov/item/2007632038/">https://www.loc.gov/item/2007632038/</a>