This map seems to originate from Political History of Poland" written by E.H. Lewinski-Corwin and published in 1917.
It is part of a series of maps which show how fluent the Polish political borders were over the centuries. --Stor stark7 16:33, 1 July 2006 (UTC)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Poland_in_992_map.jpg/200px-Poland_in_992_map.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a7/Poland_Fragmentation_Period_map.jpg/200px-Poland_Fragmentation_Period_map.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/8/8a/Poland_1341_map.jpg/200px-Poland_1341_map.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/44/Poland_1634-1660_map.jpg/200px-Poland_1634-1660_map.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Poland_1772_map.jpg/200px-Poland_1772_map.jpg)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/27/Poland_1793_map.jpg/200px-Poland_1793_map.jpg)