Custard apple or Bullock's heart (Annona reticulata L.): fruiting branch with sections of fruit and seeds. Chromolithograph… https://www.rawpixel.com/image/13951678/image-heart-plant-personFree Image from public domain licenseA plant (Elettaria speciosa Blume): flowering shoots with leaf and sections of flower, fruit, and seed. Chromolithograph by… https://www.rawpixel.com/image/13966992/image-flower-plant-personFree Image from public domain licenseSouvenir aangeboden door de Soerabaijasche Vereeniging van Suikerfabrikanten aan haar Eere-lid F. Beyerinck Ridder der orde… https://www.rawpixel.com/image/13734121/image-paper-book-artFree Image from public domain licenseHelling Merapi (1919) by Johannes Frederik Engelbert ten Klooster and Johannes Frederik Engelbert ten Klooster https://www.rawpixel.com/image/13764415/image-paper-cartoon-frameFree Image from public domain license