Izvornik: The Book of Urizen. Jacob De Haan. Composed by Jacob De Haan, James Curnow, Jan Hadermann, and Piet Swerts. 1960-.
Prijevod: Knjiga Urizen. Sastoji Jacob De Haan, James Curnowa, Jan Hadermann i Piet Swerts. Praetorius Varijacije. Jakov De Haan.