Sketches towards a Hortus botanicus americanus, or, Coloured plates (with a catalogue and concise and familiar descriptions… https://www.rawpixel.com/image/13955971/image-flower-plant-medicineFree Image from public domain licenseAirmail poster, chromolithograph art. Original public domain image from Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/9700469/image-paper-art-vintageFree Image from public domain licenseNorth America: Three grizzly-bears in a forest next to a carcass. Coloured lithograph by B. Hummel. https://www.rawpixel.com/image/13952468/image-cartoon-plant-personFree Image from public domain licenseStudy for figure (1899), angel illustration. Original public domain image from The Smithsonian Institution. Digitally… https://www.rawpixel.com/image/9404703/image-art-vintage-skyFree Image from public domain licenseA general map of America (1746), vintage illustration by Homann Erben (Firm). Original public domain image from Digital… https://www.rawpixel.com/image/9425055/image-art-illustration-vintageFree Image from public domain licenseNorth America: a group of beavers building a dam. Coloured lithograph. https://www.rawpixel.com/image/13969589/north-america-group-beavers-building-dam-coloured-lithographFree Image from public domain licenseJuly Scribner's, "The United States will pay." (1890–1920), vintage eagle perches on a branch. Original public domain… https://www.rawpixel.com/image/11522130/image-art-vintage-cartoonFree Image from public domain licenseWinning Easy, equestrian sports. Original public domain image from Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/9851243/image-art-horses-vintageFree Image from public domain license"The sword is drawn, the Navy upholds it!" (1856-1919) chromolithograph art by Kenyon Cox, N.A. Original public domain image… https://www.rawpixel.com/image/9700625/image-person-art-vintageFree Image from public domain licenseSouth America: Three yellow throated sloths clambering up a tree. Coloured lithograph. https://www.rawpixel.com/image/13961534/image-penguin-plant-treeFree Image from public domain licenseThe Confederate States of America fifty cents (1870–1900). Original public domain image from Digital Commonwealth.… https://www.rawpixel.com/image/9945622/image-medicines-art-vintageFree Image from public domain licenseSouth America: two great ant-eater feeding on termites. Coloured lithograph. https://www.rawpixel.com/image/13967511/south-america-two-great-ant-eater-feeding-termites-coloured-lithographFree Image from public domain licenseAirmail poster, chromolithograph art. Original public domain image from Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/9739658/image-paper-art-vintageFree Image from public domain licenseMon-Ka-Ush-Ka (Monkaushka), a Sioux chief, holding a sword. Coloured lithograph by A. Hoffy after G. Cooke, 1837. https://www.rawpixel.com/image/13964433/image-face-person-artFree Image from public domain licenseJuly Scribner's, "The United States will pay." (1890–1920), vintage eagle perches on a branch. Original public domain… https://www.rawpixel.com/image/11067356/image-art-vintage-cartoonFree Image from public domain licenseProof for an American flag campaign banner for John C. Breckinridge and Joseph Lane (1860) by H.C. Howard. Original from the… https://www.rawpixel.com/image/7615409/image-art-vintage-public-domainFree Image from public domain licenseRural Pennsylvania (1894-1977) chromolithograph art by Katherine Milhous. Original public domain image from Library of… https://www.rawpixel.com/image/9700587/image-person-art-vintageFree Image from public domain licenseVis vangen met behulp van pelikanen (1634) by Karel van Mallery, Jan Collaert II, Jan van der Straet, Joannes Galle and… https://www.rawpixel.com/image/13732623/image-paper-cartoon-faceFree Image from public domain licensePale Grew Her Immortality, For Woe of All These Lovers by Will Hicock Low https://www.rawpixel.com/image/8992711/pale-grew-her-immortality-for-woe-all-these-lovers-will-hicock-lowFree Image from public domain licenseMichigan Avenue, Chicago (The City Dirtyful) by Joseph Pennell https://www.rawpixel.com/image/9049713/michigan-avenue-chicago-the-city-dirtyful-joseph-pennellFree Image from public domain licenseShining Lights of the Grand Old Party by Frederick Burr Opper https://www.rawpixel.com/image/9041961/shining-lights-the-grand-old-party-frederick-burr-opperFree Image from public domain licenseDesign Studies, Elevation of a Villa, Presentation Elevation by Carl (Charles) J. Furst (Architect) https://www.rawpixel.com/image/8938096/image-paper-cartoon-personFree Image from public domain licenseChocolate-Menier Pavilion, World's Colombian Exposition, Chicago, Illinois, Section Sketch by Peter Joseph Weber (Architect) https://www.rawpixel.com/image/8937831/image-paper-person-patternFree Image from public domain licenseSketch after "Arrangement in Black: Lady Meux" by James McNeill Whistler https://www.rawpixel.com/image/8968963/sketch-after-arrangement-black-lady-meux-james-mcneill-whistlerFree Image from public domain licenseDesign Studies, Section Through House, Presentation by Carl (Charles) J. Furst (Architect) https://www.rawpixel.com/image/8938133/image-paper-wood-artFree Image from public domain licenseLa Vieille aux Loques (The Old Woman with Rags) by James McNeill Whistler https://www.rawpixel.com/image/9023614/vieille-aux-loques-the-old-woman-with-rags-james-mcneill-whistlerFree Image from public domain licenseLa Vieille aux Loques (The Old Woman with Rags) by James McNeill Whistler https://www.rawpixel.com/image/8983796/vieille-aux-loques-the-old-woman-with-rags-james-mcneill-whistlerFree Image from public domain licenseShe Nothing Said, But Pale and Meek, Arose and Knelt Before Him by Will Hicock Low https://www.rawpixel.com/image/9050895/image-person-art-watercolorFree Image from public domain licenseLe Pont Neuf, Paris (with remarque) by Donald Shaw MacLaughlan https://www.rawpixel.com/image/9015523/pont-neuf-paris-with-remarque-donald-shaw-maclaughlanFree Image from public domain license