Bookplate: Within a triangle a man kneels before a fire emerging from a burning skull. Around the perimeter is a serpent, medical instruments, and "Mein Buch von der Lichte."
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.