Kok, Richard (13 December 2013). "Vier nieuwe leden voor Alliance" [Four new members for Alliance]. Misset Horeca (in Dutch). Retrieved 11 June 2014. (subscription required)
Leonards, Rik (11 June 2014). "Jan Klein sluit deuren restaurant Hermitage" [Jan Klein closes doors of restaurant Hermitage] (in Dutch). Retrieved 11 June 2014. (subscription required)