description
Poland Language Map
Using data from Russian Census of 1897, estimates in 1910, 1913, and a 1919 ordnance survey.
Year
1897–1919 data,
published 1945
Author
US Office of Strategic
Services (OSS)
Poland Language Map, 1897–1919
Using data from Russian Census of 1897, estimates in 1910, 1913, and a 1919 ordnance survey.
1897–1919 data,
published 1945
US Office of Strategic
Services (OSS)
