Cybele, Bacchus, Ceres and Flora on a chariot drawn by lions surrounded by all forms of natural abundance and cherubs:… https://www.rawpixel.com/image/14011935/image-angels-flowers-plant Free Image from public domain license
A woman holding the caduceus and a bunch of keys; representing dialectic. Engraving by E. Delaune, ca. 1560. https://www.rawpixel.com/image/13985226/image-paper-cartoon-face Free Image from public domain license
Lockable journal clipart, stationery illustration. Free public domain CC0 image. https://www.rawpixel.com/image/6436579/image-book-public-domain-golden Free Image from public domain license
A despondent winged woman holding a geometrical instrument surrounded by attributes associated with knowledge; representing… https://www.rawpixel.com/image/13988941/image-dog-angels-cartoon Free Image from public domain license
The word “restore” engraved in a key hanging from a branch. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3291488/free-photo-image-cc0-creative-commons Free Image from public domain license
Technology: a lock (top) and a chair (below). Engraving by J. Taylor after C. Varley. https://www.rawpixel.com/image/14001075/image-paper-cartoon-technology Free Image from public domain license
Jesus appoints Peter as head of the church. Engraving by Clark and Pine, ca. 1719. https://www.rawpixel.com/image/14018326/image-cloud-hand-jesus-christ Free Image from public domain license
A maid puts a key down a man's shirt to stop his nosebleed. Lithograph, c. 1835-1841. https://www.rawpixel.com/image/14014806/image-cartoon-face-person Free Image from public domain license
Technology: details of a lock mechanism. Engraving by A. Bell. https://www.rawpixel.com/image/13994930/technology-details-lock-mechanism-engraving-bell Free Image from public domain license
Jesus appoints Peter as head of the church. Colour etching by A. Scacciati, 1766, after J. Chimenti. https://www.rawpixel.com/image/14001471/image-cartoon-face-jesus Free Image from public domain license
A woman surgeon and her assistant cupping a patient. Oil painting after Cornelis Dusart. https://www.rawpixel.com/image/13971836/image-cartoon-face-person Free Image from public domain license
Engineering: a lock, showing the key, and a loom, with shuttle. Engraving by Porter after J. Farey, junior. https://www.rawpixel.com/image/14017465/image-wood-public-domain-table Free Image from public domain license
World War One: three prisoners crouch at the feet of a fourth man who incites them to action. Halftone after a crayon… https://www.rawpixel.com/image/14018638/image-cartoon-face-people Free Image from public domain license
The resurrected Christ appears before the apostles and other people. Etching. https://www.rawpixel.com/image/14005032/the-resurrected-christ-appears-before-the-apostles-and-other-people-etching Free Image from public domain license
Locks: details of two types of lock. Engraving by H. Mutlow after J. Farey. https://www.rawpixel.com/image/13979070/locks-details-two-types-lock-engraving-mutlow-after-farey Free Image from public domain license
Architecture: a lock with gothic ornament. Wood engraving after E. H.. https://www.rawpixel.com/image/13988737/architecture-lock-with-gothic-ornament-wood-engraving-after-h Free Image from public domain license
A woman surgeon and her assistant cupping a patient. Oil painting after Cornelis Dusart. https://www.rawpixel.com/image/13980887/image-frame-person-art Free Image from public domain license
Jesus appoints Peter as head of the church; he tells him "thou art Peter … And I will give unto thee the keys of the kingdom… https://www.rawpixel.com/image/14021793/image-face-jesus-christ-person Free Image from public domain license
Jesus appoints Peter as head of the church. Etching by P.L. Ghezzi. https://www.rawpixel.com/image/13992285/jesus-appoints-peter-head-the-church-etching-pl-ghezzi Free Image from public domain license
Cybele, Bacchus, Ceres and Flora on a chariot drawn by lions surrounded by all forms of natural abundance and cherubs… https://www.rawpixel.com/image/13973068/image-angels-flowers-frame Free Image from public domain license
Lock and key from A Vade-Mecum For Malt-Worms; Or, A Guide To Good-Fellows (1866) published by Ned Ward. Original from the… https://www.rawpixel.com/image/573167/antique-key-and-lock Free Image from public domain license