Alexander Blok | Hetty Wainthropp Investigates | Hetty Naaijkens-Retel Helmrich | Vlaams Blok | Hetty Green | List of NCIS: Los Angeles characters#Henrietta "Hetty" Lange | Hetty Koes Endang | Hetty Feather | Alexander Blok (pianist) |
In 1943 he formed his own association, consisting among others of Conny Stuart, Lia Dorana, Albert Mol, Joop Doderer, Hetty Blok and Emmy Arbous.