Bookplate: Seated Eastern male in ethnic dress in a medallion around which is motto: Labeur est mon desduyt. Below two tapeworms form a holder enclosing a mosquito on a pin.
Bookplate: A crowned serpent, curled around a caduceus, decorates the elaborate facade of a "gingerbread" house. Patients ring the respective bells of Dr. Oskar Lerperger, an ophthalmologist, and Dr. Anna Lerperger, a pediatrician.