"Pseud. van Roeland Anthonie Kollewijn"@nl . . . "Holtvast" . . . "K." . "K. Holtvast" . "Holtvast, K." . _:Bd8108381bbdd7d88ecd076d02483ce9d . . _:Bd8108381bbdd7d88ecd076d02483ce9d . _:Bd8108381bbdd7d88ecd076d02483ce9d . _:Bd8108381bbdd7d88ecd076d02483ce9d "2023-05-20"^^ . _:Bd8108381bbdd7d88ecd076d02483ce9d . _:Bd8108381bbdd7d88ecd076d02483ce9d . _:Bd8108381bbdd7d88ecd076d02483ce9d "123744261" . _:Bd8108381bbdd7d88ecd076d02483ce9d . _:Bd8108381bbdd7d88ecd076d02483ce9d . _:Bd8108381bbdd7d88ecd076d02483ce9d .