Otium academicum, continens descriptionem speciminum nonnullarum partium corporis humani et animalium subtilioris anatomiae ope in physiologicum usum praeparatarum, aliarumque, quibus morborum organicorum natura illustrator.

Issued in 12 fascicules from 1826 to 1828. Consists of 3 parts concerning anatomy and physiology, comparative anatomy specimens and pathological specimens. Includes 37 plates printed in color; 35 plates in black & white. Digital facsimile from Universiteit Utrecht at this link.