This blind revert is unjustified OK I didn t see that the map had a source and so I ve restored it though it would be helpful to provide a page number As for the other comments 1 The source clearly says other Bulgarians Sources can t just be interpreted to fit one s opinions that is original research if not falsification 2 I don t see what the problem would be of using a government source Cvijic worked closely with the Serbian government and his views have been given great weight in the article 3 This is not an excuse If we do not know who the author was we can t judge how reliable or neutral the source is It might have been the US best specialist on the Balkans or it might have been a Serbian diplomat in disguise there are plenty of such cases in this period And the argument about the version being stable is a spurious one if the article is obviously flawed as this one was