1. Poland Yale Public content 1939. 2011-03-11T15:53:33Z. 2015-04-16T18:09:28Z. C.S. Hammond & Company. C.S. Hammond & Co. English. Public. Poland.
2. Poland Yale Public content 1938. 2011-03-11T16:00:03Z. 2020-01-31T21:10:31Z. C.S. Hammond & Company. C.S. Hammond & Co. English. Public. Poland.
3. Poland Yale Public content 1938. 2023-04-28T17:27:04Z. 2023-05-01T16:04:38Z. C.S. Hammond & Company, cartographer. C.S. Hammond & Co. English. cartographic image. Public. Poland.