Wikipedia:Articles for deletion/Danvignes
There is a reference cited in the article, though none of us apparently has access to the book in question.  It's harder to find good online sources for a subject that is less recent.  I did see a few mentions in foreign language cites - http://translate.google.com/translate?hl=en&sl=de&u=http://www.gtue-oldtimerservice.de/074,0045,03657,000,00000.html%3FPHPSESSID%3D3aef289bb0a728d988edacf9bffead0b&sa=X&oi=translate&resnum=4&ct=result&prev=/search%3Fq%3DDanvignes%26hl%3Den%26rlz%3D1T4RNWN_en___US229 for example (horrible translation job) - which corroborate the info in the article.  I don't think  is so much the issue as 
— User:Kubigula, 23:35, 26 November 2007 (UTC)
Stance: comment
Cited policy: WP:V||WP:N (Wikipedia:Verifiability)