Light blue oil paint brush stroke texture https://www.rawpixel.com/image/1201870/fluid-marble-texture-blueView licenseA man performing a painful operation on a woman's tooth. Oil painting by Pieter van Laer, 16--. https://www.rawpixel.com/image/13985246/image-face-person-artFree Image from public domain licenseGevecht tussen Nederlandse militairen en inlanders (1800 - 1900) by anonymous https://www.rawpixel.com/image/13754419/gevecht-tussen-nederlandse-militairen-inlanders-1800-1900-anonymousFree Image from public domain licenseThe Peace Negotiations between Julius Civilis and the Roman General Cerialis (1600 - 1613) by Otto van Veen https://www.rawpixel.com/image/13790978/image-face-person-artFree Image from public domain licenseA surgeon applying a probe to the arm of a screaming patient. Oil painting after Cornelis Dusart. https://www.rawpixel.com/image/13990141/image-frame-person-artFree Image from public domain licenseThe good Samaritan tending the wounds of a beaten robbed man. Etching by W. Cooke, 1807, after C.N.R. Lafonde. https://www.rawpixel.com/image/14010690/image-paper-horse-cartoonFree Image from public domain licenseWilliam Harvey demonstrating the palpitations of the foetal heart of a deer to Charles I. Engraving by H. Lemon, 1851, after… https://www.rawpixel.com/image/14000654/image-heart-person-artFree Image from public domain licenseMr. Chapin, oil merchant - & his spirit wife & babe recognized by William H Mumler and Helen F Stuart https://www.rawpixel.com/image/14310075/image-background-face-personFree Image from public domain licenseWorld War I: an advanced dressing-station by the roadside. Oil painting attributed to Francis James Barraud. https://www.rawpixel.com/image/14003703/image-horse-people-skyFree Image from public domain licenseVintage red mom hugging son illustration. Remixed by rawpixel. https://www.rawpixel.com/image/9735101/image-rose-flower-plantView licenseAlexander the Great and Campaspe in the Studio of Apelles by Giovanni Battista Tiepolo https://www.rawpixel.com/image/14266630/image-background-face-personFree Image from public domain licenseA crowd watching a troupe of quack-doctors on a stage outside an inn. Oil painting by a Flemish painter, ca. 1640. https://www.rawpixel.com/image/13952310/image-dog-person-artFree Image from public domain licenseA builder falling from a platform in an apse, St Bruno interceding with the Virgin and Child. Oil painting by an Italian… https://www.rawpixel.com/image/13952363/image-face-person-crossFree Image from public domain licenseA man and a woman holding a baby before an altar. Oil painting by an Italian painter, 18th century. https://www.rawpixel.com/image/13968342/image-face-person-artFree Image from public domain licenseA travelling showman in the Netherlands showing animalcules to children. Oil painting by a Dutch painter, ca. 1840. https://www.rawpixel.com/image/13959685/image-dog-person-artFree Image from public domain licenseA man praying to a saint to assist in the cure of a sick child, devils departing. Oil painting by an Italian painter. https://www.rawpixel.com/image/13953454/image-angel-person-artFree Image from public domain licenseA travelling showman in the Netherlands showing animalcules to children. Oil painting by a Dutch painter, ca. 1840. https://www.rawpixel.com/image/13969885/image-dog-person-artFree Image from public domain licenseSaint Roch and the angel. Oil painting by a Lombard painter, 17th century, after Alessandro Bonvicino, il Moretto. https://www.rawpixel.com/image/13969294/image-angel-person-artFree Image from public domain license