A boy plays his 'rommelpot' to an old woman who peers over her spectacles. Line engraving. https://www.rawpixel.com/image/14017730/image-cartoon-face-personFree Image from public domain licenseFriedrich Hoffmann II. Line engraving by J. G. Mentzel, 1716. https://www.rawpixel.com/image/13975541/friedrich-hoffmann-ii-line-engraving-mentzel-1716Free Image from public domain licensePortraits of George C. Perkins, D.W. Hitchcock, Aaron A. Sargent, and W.A. Strong by I W Taber https://www.rawpixel.com/image/14324239/image-face-person-clothingFree Image from public domain licenseJames Ferguson. Mezzotint by F. Haward, 1776, after J. Northcote. https://www.rawpixel.com/image/13992639/james-ferguson-mezzotint-haward-1776-after-northcoteFree Image from public domain license"I am going to write my first philosophical principle, it was not I who formulated it but Malebranche. I have looked hard… https://www.rawpixel.com/image/14272749/photo-image-face-hand-personFree Image from public domain licenseFrancois Pierre Guillaume] Guizot (1787 - 1874 by André Adolphe Eugène Disdéri https://www.rawpixel.com/image/14309355/francois-pierre-guillaume-guizot-1787-1874-andre-adolphe-eugene-disderiFree Image from public domain licensePortret van Pieter Jelles Troelstra (1926) by Jacques Jeichienus Ottens https://www.rawpixel.com/image/13765436/portret-van-pieter-jelles-troelstra-1926-jacques-jeichienus-ottensFree Image from public domain licenseA man pouring the last drop from his wine glass. Mezzotint, c. 1786. https://www.rawpixel.com/image/14007582/man-pouring-the-last-drop-from-his-wine-glass-mezzotint-1786Free Image from public domain licenseWilliam Hunter. Stipple engraving by J. Thomson, 1847, after R. E. Pine. https://www.rawpixel.com/image/14011427/william-hunter-stipple-engraving-thomson-1847-after-pineFree Image from public domain licenseSir James Boniface Leighton. Line engraving by N.I. Utkin after G. Dawe. https://www.rawpixel.com/image/13982573/sir-james-boniface-leighton-line-engraving-ni-utkin-after-daweFree Image from public domain licenseFree coffee cup on wooden table photo, public domain beverage CC0 image. https://www.rawpixel.com/image/5911407/photo-image-public-domain-wooden-coffeeFree Image from public domain licenseBaron Albrecht von Haller. Mezzotint by J. J. Haid after C. N. Eberlein, 1745. https://www.rawpixel.com/image/13996280/baron-albrecht-von-haller-mezzotint-haid-after-eberlein-1745Free Image from public domain licenseUnidentified man with moustache, in vignette style by Bourne and Shepherd https://www.rawpixel.com/image/14284838/unidentified-man-with-moustache-vignette-style-bourne-and-shepherdFree Image from public domain license[Sanson de] Pongerville by Nadar Gaspard Félix Tournachon https://www.rawpixel.com/image/14276179/sanson-de-pongerville-nadar-gaspard-felix-tournachonFree Image from public domain licenseHati Wira Takahi Bay of Islands. [Māori chief, Ngapuhi] by E Pulman https://www.rawpixel.com/image/14257016/hati-wira-takahi-bay-islands-maori-chief-ngapuhi-pulmanFree Image from public domain licenseUnidentified young man, standing by Charles DeForest Fredricks https://www.rawpixel.com/image/14306602/unidentified-young-man-standing-charles-deforest-fredricksFree Image from public domain licenseLinus B. Comins by James Earle McClees and Julian Vannerson https://www.rawpixel.com/image/14318472/linus-comins-james-earle-mcclees-and-julian-vannersonFree Image from public domain licenseJoseph Barclay Pentland. Pencil drawing by C. E. Liverati, 1841. https://www.rawpixel.com/image/14014456/joseph-barclay-pentland-pencil-drawing-liverati-1841Free Image from public domain licenseA money lender sits at her kitchen table studying her money. Line engraving by D. Sornique after F.A. Kraus. https://www.rawpixel.com/image/13981280/image-cartoon-face-personFree Image from public domain licenseJohann Jacob Scheuchzer, holding a thistle. Line engraving by J. Nutting, 1723, after M. Füsslinus. https://www.rawpixel.com/image/14018933/image-face-person-artFree Image from public domain licenseSir George E. Burrows. Photograph by Metcalfe, Bingley & Co. https://www.rawpixel.com/image/13988395/sir-george-burrows-photograph-metcalfe-bingley-coFree Image from public domain licenseA man and a woman sit in a farmyard, the man has a hen on his knee. Engraving after M. van Cleve. https://www.rawpixel.com/image/13990938/image-cartoon-person-artFree Image from public domain licensePompeo della Barba. Line engraving by G. Vascellini after I. Ansaldi. https://www.rawpixel.com/image/14016848/pompeo-della-barba-line-engraving-vascellini-after-ansaldiFree Image from public domain licenseThe artist's mother seated at a table, looking right: three quarter length by Bisson Frères https://www.rawpixel.com/image/14316066/image-face-hands-personFree Image from public domain licenseA moustachioed man with top hat and cane. Pen and ink and collage. https://www.rawpixel.com/image/13952869/moustachioed-man-with-top-hat-and-cane-pen-and-ink-and-collageFree Image from public domain licenseWilliam Thomson, Baron Kelvin. Photograph by T. & R. Annan & Sons. https://www.rawpixel.com/image/14005623/william-thomson-baron-kelvin-photograph-annan-sonsFree Image from public domain licenseMajor-General John Adams Dix, July 24, 1798 - April 21, 1879 by Jeremiah Gurney and Son https://www.rawpixel.com/image/14308615/photo-image-face-person-manFree Image from public domain licenseA widow with her maid Betty consults a fortune-teller in the hope that he will predict whether she will marry again, and how… https://www.rawpixel.com/image/13998941/image-cartoon-person-artFree Image from public domain licenseWilliam Harvey. Engraving by C. H. Jeens, 1878, after W. von Bemmel, 1657. https://www.rawpixel.com/image/14007551/william-harvey-engraving-jeens-1878-after-von-bemmel-1657Free Image from public domain licenseJohn Warren Howell. Stipple engraving by J. Thomson, 1845, after C. Ford. https://www.rawpixel.com/image/13980309/john-warren-howell-stipple-engraving-thomson-1845-after-fordFree Image from public domain licenseMarie-François-Xavier Bichat, head and shoulders. Gouache. https://www.rawpixel.com/image/13956457/marie-francois-xavier-bichat-head-and-shoulders-gouacheFree Image from public domain licenseSaint Mary (the Blessed Virgin) with the Christ Child and Saint John the Baptist. Lithograph by F.S. Hanfstaengl after… https://www.rawpixel.com/image/13957570/image-face-christ-personFree Image from public domain licenseJohann Caspar Spurzheim. Lithograph by J.H. Bufford after A. Fisher. https://www.rawpixel.com/image/13973621/johann-caspar-spurzheim-lithograph-jh-bufford-after-fisherFree Image from public domain licenseFace of a woman with a severe confluent attack of smallpox, 18th day https://www.rawpixel.com/image/14007566/face-woman-with-severe-confluent-attack-smallpox-18th-dayFree Image from public domain licenseGeneral William Crawford Gorgas. Photograph by Harris & Ewing. https://www.rawpixel.com/image/13978260/general-william-crawford-gorgas-photograph-harris-ewingFree Image from public domain licenseJoshua Brookes. Mezzotint by W. Ward, 1833, after B. E. Duppa. https://www.rawpixel.com/image/13998943/joshua-brookes-mezzotint-ward-1833-after-duppaFree Image from public domain licenseScene on The Catskill near Palensville by Benson John Lossing https://www.rawpixel.com/image/14257060/scene-the-catskill-near-palensville-benson-john-lossingFree Image from public domain licenseAn episode in The history of Pendennis by W.M. Thackeray: Harry Foker has his hair dressed and curled by Anatole, his valet.… https://www.rawpixel.com/image/13991869/image-paper-cartoon-faceFree Image from public domain licenseNehemiah Abbott by James Earle McClees and Julian Vannerson https://www.rawpixel.com/image/14316684/nehemiah-abbott-james-earle-mcclees-and-julian-vannersonFree Image from public domain licenseWilliam Woodville, with a vignette of the St Pancras smallpox hospital. Stipple engraving, 1806, by W. Bond after L. F.… https://www.rawpixel.com/image/13992144/image-person-art-skyFree Image from public domain licenseAn alchemist at his furnace, hunched over bellows. Coloured mezzotint by H. Dawe after D. Teniers the younger. https://www.rawpixel.com/image/13953355/image-face-person-artFree Image from public domain licenseSaint Mary (the Blessed Virgin) and Saint Joseph with the Christ Child. Gouache painting. https://www.rawpixel.com/image/13956901/image-face-jesus-christ-personFree Image from public domain licenseJames Prescott Joule. Photogravure, ca. 1913, after G. Patten, 1863. https://www.rawpixel.com/image/13989938/james-prescott-joule-photogravure-ca-1913-after-patten-1863Free Image from public domain licensePontonnier (1835 - 1850) by Albertus Verhoesen and Johannes Paulus Houtman https://www.rawpixel.com/image/13748964/pontonnier-1835-1850-albertus-verhoesen-and-johannes-paulus-houtmanFree Image from public domain licenseSir Theodore Turquet de Mayerne. Line engraving by W. Elder. https://www.rawpixel.com/image/14000493/sir-theodore-turquet-mayerne-line-engraving-elderFree Image from public domain licenseChina. Photograph, 1981, from a negative by John Thomson, 1869. https://www.rawpixel.com/image/14003828/china-photograph-1981-from-negative-john-thomson-1869Free Image from public domain licenseSir Joseph Banks. Mezzotint by S. W. Reynolds, 1834, after Sir J. Reynolds. https://www.rawpixel.com/image/13986012/sir-joseph-banks-mezzotint-reynolds-1834-after-sir-reynoldsFree Image from public domain license