C.S. Hammond & Company Notes Most of the maps are by C. S. Hammond & Company, inc. "The maps ... are based, with few exceptions, on the state of the world as of Sept. 1, 1939." Date 1947 [1947] Call ...

Smithsonian Libraries and Archives Object Details Notes "Hammond maps." "The maps ... are based, with few exceptions, on the state of the world as of Sept. 1, 1939."--p. 3. Date 1945 Call number G1019 ...