Robert Gribboek: Layout Supervisor (Visual Effects)1952-09-08

Robert Gribboek: Layout Supervisor (Visual Effects)1950-09-02

Robert Gribboek: Animation (Visual Effects)1958-11-01

Robert Gribboek: Layout Supervisor (Visual Effects)1958-11-01

Robert Gribboek: Layout Supervisor (Visual Effects)1963-06-28

Robert Gribboek: Background Designer (Art)1963-06-28

Robert Gribboek: Background Designer (Art)1946-03-02

Robert Gribboek: Layout Supervisor (Visual Effects)1959-02-13

Robert Gribboek: Layout Supervisor (Visual Effects)1963-09-28

Robert Gribboek: Background Designer (Art)1963-09-28