on SIL's minimal work in Europe... 

Removing the "citation needed" from the comment about SIL's work in Europe being minimal, based on the lack of data on European languages at

http://www.sil.org/silewp/indexes/countries.asp
http://www.ethnologue.com/country_index_bibl.asp

and the minimal amount of references on European languages, compared with other parts of the world, at 

http://www.ethnologue.com/country_index_bibl.asp.

Putting such a citation in the text would be rather cumbersome!