Rev. John Julius Wood of Greyfriars, Edinburgh by Hill and Adamson https://www.rawpixel.com/image/14309449/rev-john-julius-wood-greyfriars-edinburgh-hill-and-adamsonFree Image from public domain licenseDe mundi et spherae ac utriusque partium declaratione cum planetis et variis signis historiatis / [Hyginus]. https://www.rawpixel.com/image/13976769/image-cartoon-person-artFree Image from public domain licenseJulius Griffiths. Stipple engraving by E. Mitchell after W.J. Thomson. https://www.rawpixel.com/image/14003225/julius-griffiths-stipple-engraving-mitchell-after-wj-thomsonFree 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 licenseLeonardo da Vinci on his deathbed, at Cloux in 1519, with François I and members of the royal household in attendance.… https://www.rawpixel.com/image/13999699/image-person-book-artFree Image from public domain licenseGladys Hayn, Luther Steup and Mildred E. Wendt at Pontoosuc Lake Sept 1/09, New York by Julius M Wendt https://www.rawpixel.com/image/14305049/image-face-plant-personFree Image from public domain license