Popular Lectures on Human Nature, a book cover illustration by an unknown artist referencing Prof. W.G Alexander. Original… https://www.rawpixel.com/image/429751/free-illustration-image-brain-book-vintageFree Image from public domain licenseAn illustration from a book of American Nature Literature and Illustration by Alexander Wilson (1843), a handcolored wood… https://www.rawpixel.com/image/431444/vintage-bird-paintingFree Image from public domain licenseVintage illustration of alexander, rivers' early york nectarines digitally enhanced from our own vintage edition of The… https://www.rawpixel.com/image/50848/free-illustration-image-peach-fruit-botanicalFree Image from public domain licenseAdoration of the Magi by Nicolaus Alexander Mair von Landshut https://www.rawpixel.com/image/8971823/adoration-the-magi-nicolaus-alexander-mair-von-landshutFree Image from public domain licenseVintage palm tree illustration. Digitally enhanced from our own original copy of Les Palmiers Histoire Iconographique… https://www.rawpixel.com/image/4227790/illustration-image-watercolor-public-domain-leafFree Image from public domain licenseExtensive landscape prospect with a fortified building on hill in the background (recto); Study of a landscape and a female… https://www.rawpixel.com/image/9298599/image-background-art-watercolourFree Image from public domain licensePink Dracaena Terminalis leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à… https://www.rawpixel.com/image/6420890/image-plant-aesthetic-watercolorFree Image from public domain licenseMaranta Porteana leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage Coloré… https://www.rawpixel.com/image/6429872/image-plant-aesthetic-watercolorFree Image from public domain licenseBlue and Yellow Macaw (Ara ararauna) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our own… https://www.rawpixel.com/image/10242923/image-parrots-captivity-alexander-francis-lydon-animalFree Image from public domain licenseGreen Dichorisandra Mosaica leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à… https://www.rawpixel.com/image/6437436/image-plant-aesthetic-watercolorFree Image from public domain licenseRed and Blue Macaw (Ara macao) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our own 1884… https://www.rawpixel.com/image/10200883/image-vintage-illustrationFree Image from public domain licenseCalathea Veitchiana leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage… https://www.rawpixel.com/image/6420088/image-plant-aesthetic-watercolorFree Image from public domain licenseGreen Caladium Mirabile leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage… https://www.rawpixel.com/image/6429754/image-plant-aesthetic-watercolorFree Image from public domain licenseLeadbeater's Cockatoo (Lophochroa leadbeateri) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced… https://www.rawpixel.com/image/10247062/image-plant-art-vintageFree Image from public domain licenseGreat Black Cockatoo (Probosciger aterrimus) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from… https://www.rawpixel.com/image/10237465/image-vintage-illustrationFree Image from public domain licenseNew Guinea Ecletus (Eclectus roratus polychloros) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced… https://www.rawpixel.com/image/10241351/image-vintage-cartoon-illustrationFree Image from public domain licenseGreen Mantara Illustris leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage… https://www.rawpixel.com/image/6420883/image-plant-aesthetic-watercolorFree Image from public domain licenseSplendid Parrakeet (Neophema splendida) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our… https://www.rawpixel.com/image/10240545/image-plant-vintage-leafFree Image from public domain licenseGreat Salmon-Crested Cockatoo (CACATUA MOLUCCENSIS) colored wood-engraved plate by Alexander Francis Lydon. Digitally… https://www.rawpixel.com/image/10238640/image-vintage-cartoon-illustrationFree Image from public domain licenseMilitary Macaw (Ara militaris) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our own 1884… https://www.rawpixel.com/image/10240827/image-vintage-cartoon-illustrationFree Image from public domain licenseJendaya Conure (Aratinga jandaya) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our own… https://www.rawpixel.com/image/10237612/image-plant-vintage-cartoonFree Image from public domain licenseStudy of Right Hand of Alexander Hamilton (1851) by daniel huntington. Original from The Smithsonian. Digitally enhanced by… https://www.rawpixel.com/image/2464480/free-illustration-image-hand-vintage-palmFree Image from public domain licenseGreen Alocasia leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage Coloré… https://www.rawpixel.com/image/6441878/image-plant-aesthetic-watercolorFree Image from public domain licenseA map of the world on a globular projection : exhibiting particularly the nautical researches of Captain James Cook, F.R.S.… https://www.rawpixel.com/image/9685933/image-hand-art-spacesFree Image from public domain licenseLesser Lemon-Crested Cockatoo (Cacatua sulphurea) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced… https://www.rawpixel.com/image/10248030/image-plant-vintage-cartoonFree Image from public domain licenseCockatiel (Nymphicus hollandicus) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our own… https://www.rawpixel.com/image/10236789/image-plant-vintage-cartoonFree Image from public domain licenseHyacinthine Macaw (Anodorhynchus hyacinthinus) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced… https://www.rawpixel.com/image/10239712/image-vintage-illustrationFree Image from public domain licenseGreen Maranta Warscewiczii leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à… https://www.rawpixel.com/image/6397256/image-plant-aesthetic-watercolorFree Image from public domain licenseEricstan, for John J. Herrick, Tarrytown, New York (perspective) (1855), vintage castle illustration by Alexander Jackson… https://www.rawpixel.com/image/12230441/image-art-watercolor-vintageFree Image from public domain licenseCalophyllum inophyllum leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage… https://www.rawpixel.com/image/6396667/image-plant-aesthetic-watercolorFree Image from public domain licenseGang-Gang Cockatoo (Callocephalon fimbriatum) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced… https://www.rawpixel.com/image/10238034/image-art-vintage-cartoonFree Image from public domain licenseCanary-Winged Conure ( Brotogeris versicolurus) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced… https://www.rawpixel.com/image/10241672/image-vintage-cartoon-illustrationFree Image from public domain licenseNew Zealand's Shipping poster (1930), vintage illustration. Original public domain image from Wikimedia Commons. Digitally… https://www.rawpixel.com/image/12419209/image-art-vintage-seaFree Image from public domain licenseGolden or Queen Bavaria's Parrot (Guaruba guarouba) colored wood-engraved plate by Alexander Francis Lydon. Digitally… https://www.rawpixel.com/image/10243270/image-vintage-illustrationFree Image from public domain licenseTextile: Jacob’s Coat, textile art by Alexander Girard. Original public domain image from Saint Louis Art Museum.… https://www.rawpixel.com/image/9700395/image-art-pattern-vintageFree Image from public domain licenseDichorisandra Undata leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage… https://www.rawpixel.com/image/6433777/image-plant-aesthetic-watercolorFree Image from public domain licenseHawk-Headed Parrot (Deroptyus accipitrinus) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from… https://www.rawpixel.com/image/10245264/image-art-vintage-illustrationFree Image from public domain licenseVues des Cordillères et monumens des peuples indigènes de l'Amérique / Par Al. de Humboldt. [Atlas pittoresque]. https://www.rawpixel.com/image/13961836/image-dog-person-artFree Image from public domain licenseGreen Solanum Marginatum leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à… https://www.rawpixel.com/image/6433785/image-plant-aesthetic-watercolorFree Image from public domain licenseJardine's Parrot (Poicephalus gulielmi gulielmi) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced… https://www.rawpixel.com/image/10240317/image-vintage-illustrationFree Image from public domain licenseA map of the world on a globular projection : exhibiting particularly the nautical researches of Captain James Cook, F.R.S.… https://www.rawpixel.com/image/9425490/image-hand-art-spacesFree Image from public domain licenseRose-Breasted Cockatoo (Eolophus roseicapillus) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced… https://www.rawpixel.com/image/10248733/image-plant-vintage-cartoonFree Image from public domain licenseGrey Parrot (Psittacus erithacus) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our own… https://www.rawpixel.com/image/10249203/image-plant-vintage-illustrationFree Image from public domain licenseMealy Amazon (Amazona farinosa) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our own 1884… https://www.rawpixel.com/image/10245570/image-vintage-illustrationFree Image from public domain licenseRifle with a helmet on it in a field (ca. 1891–1941) drawing in high resolution by Leo Gestel. Original from The… https://www.rawpixel.com/image/3045625/free-illustration-image-gun-vintage-anarchistFree Image from public domain licenseFestive Amazon Parrot (Amazona festiva) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our… https://www.rawpixel.com/image/10248612/image-vintage-illustrationFree Image from public domain licenseJamaica Parrot (Amazona collaria) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our own… https://www.rawpixel.com/image/10241819/image-vintage-illustrationFree Image from public domain licenseDufresne's Amazon (Amazona dufresniana) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our… https://www.rawpixel.com/image/10238183/image-vintage-cartoon-illustrationFree Image from public domain licenseYellow-Naped Amazon (Amazona auropalliata) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from… https://www.rawpixel.com/image/10244570/image-plant-vintage-illustrationFree Image from public domain licenseSenegal Parrot (Poicephalus senegalus) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our… https://www.rawpixel.com/image/10239200/image-vintage-illustrationFree Image from public domain licenseNew Zealand's Shipping poster (1930), vintage illustration. Original public domain image from Wikimedia Commons. Digitally… https://www.rawpixel.com/image/12230781/image-art-vintage-seaFree Image from public domain licenseKussenovertrek met het stadswapen van Rotterdam (1740) by weduwe Alexander Baert en Zonen https://www.rawpixel.com/image/13731491/image-dog-lion-faceFree Image from public domain licenseThe battle at Issus in 333 BC: Alexander the Great of Macedonia is chasing the fleeing Darius III. Coloured etching. https://www.rawpixel.com/image/13968840/image-arrow-cat-horseFree Image from public domain licenseSubmission of the Emperor Frederick Barbarossa to Pope Alexander III by Federico Zuccaro https://www.rawpixel.com/image/8978619/image-paper-person-artFree Image from public domain licenseThe Resurrection (Furnishing Fabric) by Alexander Buquet (Designer) https://www.rawpixel.com/image/9002963/the-resurrection-furnishing-fabric-alexander-buquet-designerFree Image from public domain licenseAlexander Encounters Thalestris, Queen of the Amazons, from The Story of Alexander the Great https://www.rawpixel.com/image/9001126/image-person-pattern-artFree Image from public domain licenseThe Beautiful Fountain Near Schönburg by Johann Alexander Thiele https://www.rawpixel.com/image/8998631/the-beautiful-fountain-near-schonburg-johann-alexander-thieleFree Image from public domain licenseOlympias, Mother of Alexander, Visited by Zeus in the Guise of a Serpent by Andrea Boscoli https://www.rawpixel.com/image/8971797/image-paper-cartoon-personFree Image from public domain licenseAlexander the Great, plate two from The Nine Worthies by Nicolaes de Bruyn https://www.rawpixel.com/image/9024072/alexander-the-great-plate-two-from-the-nine-worthies-nicolaes-bruynFree Image from public domain licenseMars (or Alexander?) Distributing the Victor's Wreaths by Andrea Semino https://www.rawpixel.com/image/9016880/mars-or-alexander-distributing-the-victors-wreaths-andrea-seminoFree Image from public domain licenseBook cover of colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our own 1884 edition plates of… https://www.rawpixel.com/image/10243624/image-plant-person-artFree Image from public domain licenseGreen Musa Vittata leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage… https://www.rawpixel.com/image/6420877/image-plant-aesthetic-watercolorFree Image from public domain licensePoinsettia Pulcherrima leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage… https://www.rawpixel.com/image/6406045/image-plant-aesthetic-watercolorFree Image from public domain licenseCaladium bicolor splendens leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à… https://www.rawpixel.com/image/6429847/image-plant-aesthetic-watercolorFree Image from public domain licenseSee America (1936) travel poster by Alexander Dux. Original public domain image from the Library of Congress. Digitally… https://www.rawpixel.com/image/8628533/image-art-vintage-public-domainFree Image from public domain licenseGreen Maranta Vittata leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage… https://www.rawpixel.com/image/6443254/image-plant-aesthetic-watercolorFree Image from public domain licenseBudgerigar (Melopsittacus undulatus) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our own… https://www.rawpixel.com/image/10243945/image-plant-vintage-cartoonFree Image from public domain licensePink Achyranthes Verschaffeltii leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à… https://www.rawpixel.com/image/6429802/image-plant-aesthetic-watercolorFree Image from public domain licenseGreen Caladium Chantini leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage… https://www.rawpixel.com/image/6379253/image-plant-aesthetic-watercolorFree Image from public domain licenseGrey-Headed or Madagascar Love-Bird (Agapornis canus) colored wood-engraved plate by Alexander Francis Lydon. Digitally… https://www.rawpixel.com/image/10248285/image-plant-vintage-leafFree Image from public domain licensePanicum Plicatum leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage Coloré… https://www.rawpixel.com/image/6437442/image-plant-aesthetic-watercolorFree Image from public domain licenseCaladium Argy leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage Coloré by… https://www.rawpixel.com/image/6375040/image-plant-aesthetic-watercolorFree Image from public domain licenseDracaena leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage Coloré by… https://www.rawpixel.com/image/6396561/image-plant-aesthetic-watercolorFree Image from public domain licensePink Amarantus leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage Coloré… https://www.rawpixel.com/image/6429724/image-plant-aesthetic-watercolorFree Image from public domain licensePopular lectures on human nature (1895) vintage poster. Original public domain image from the Library of Congress. Digitally… https://www.rawpixel.com/image/8631703/image-art-vintage-public-domainFree Image from public domain licenseRosy-Faced Love-Bird (Agapornis roseicollis) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from… https://www.rawpixel.com/image/10247419/image-plant-vintage-cartoonFree Image from public domain licenseCentaurea Candidissima leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage… https://www.rawpixel.com/image/6433781/image-plant-aesthetic-watercolorFree Image from public domain licensePink Dracaena Ferrea leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage… https://www.rawpixel.com/image/6405935/image-plant-aesthetic-watercolorFree Image from public domain licenseWest African Love-Bird (Agapornis) colored wood-engraved plate by Alexander Francis Lydon. Digitally enhanced from our own… https://www.rawpixel.com/image/10246313/image-plant-vintage-cartoonFree Image from public domain licenseHibicus Cooperii leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage Coloré… https://www.rawpixel.com/image/6441861/image-plant-aesthetic-watercolorFree Image from public domain licenseDieffenbachia Seguina leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage… https://www.rawpixel.com/image/6379730/image-plant-aesthetic-watercolorFree Image from public domain licenseAlocasia Metallica leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage… https://www.rawpixel.com/image/6420077/image-plant-aesthetic-watercolorFree Image from public domain licensePale-Headed or Mealy Rosella (Platycercus adscitus) colored wood-engraved plate by Alexander Francis Lydon. Digitally… https://www.rawpixel.com/image/10251390/image-vintage-cartoon-illustrationFree Image from public domain licenseMaranta Begalis leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage Coloré… https://www.rawpixel.com/image/6397180/image-plant-aesthetic-watercolorFree Image from public domain licenseAlocasia leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage Coloré by… https://www.rawpixel.com/image/6437432/image-plant-aesthetic-watercolorFree Image from public domain licenseGreen Dieffenbachia Baraquiniana leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à… https://www.rawpixel.com/image/6420867/image-plant-aesthetic-watercolorFree Image from public domain licenseGreen Eranthemum leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à Feuillage Coloré… https://www.rawpixel.com/image/6442370/image-plant-aesthetic-watercolorFree Image from public domain licenseAncectochilus Rubro Venia leaf illustration. Digitally enhanced from our own original 1865 edition of Les Plantes à… https://www.rawpixel.com/image/6469442/image-plant-aesthetic-watercolorFree Image from public domain license