File:German1910.png

Description

German language around 1910. This image is unreferenced. The   dark cyan colour apparently denotes areas, where at least 50% of the population would speak German language. The inset claims it is from the "official national census of 1910", presumably the 1910 census in the German Empire. But it is not clear what relation this map is supposed to have to the census data, as most of its scope concerns territories which were not part of the German Empire.

Presumably the "1910 census" claim is just pulled from thin air to avoid charges of "unreferenced".

Until a decent reference is shown for this map, it should not be used in Wikipedia articles.

Historical maps that could in principle be used as reference: (1881) , (1894), (1906), (1910).

Here is a comparable map which claims it is derived from on "a map by Dr. V. Schmidt and Dr. J. Metelka". Presumably, this map is derived from a modern (recent) publication which discussed the 1910 census data. In this case, the map must be attributed to this publication, not to the "1910 census".
Date 14 May 2007 (original upload date)
Source Originally from en.wikipedia; description page is/was here.
Author Original uploader and author was Rex Germanus at en.wikipedia
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Category:CC-BY-SA-3.0-migrated#German1910.pngCategory:License migration completed#German1910.pngCategory:GFDL#German1910.png
Category:Self-published workCategory:User-created GFDL images#German1910.png
Category:Maps of the Germans Category:Linguistic maps of the German language Category:Ethnographic maps of Austria-Hungary Category:German language in Poland Category:Germany in the 1910s
Category:CC-BY-SA-3.0-migrated Category:Ethnographic maps of Austria-Hungary Category:GFDL Category:German language in Poland Category:Germany in the 1910s Category:License migration completed Category:Linguistic maps of the German language Category:Maps of the Germans Category:Self-published work Category:User-created GFDL images