Swamp Sparrow from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University of… https://www.rawpixel.com/image/277410/free-illustration-image-audubon-sparrow-audubon-america-birds-public-domainFree Image from public domain licenseChipping Sparrow from Birds of America (1827) by John James Audubon, etched by William Home Lizars. Original from University… https://www.rawpixel.com/image/277229/free-illustration-image-audubon-birds-america-public-domain-sparrowFree Image from public domain license165. Horned Lark (Alauda cornuta) 166. Fox-colored Sparrow (Fringilla iliaca) illustration from Zoology of New York… https://www.rawpixel.com/image/329324/free-illustration-image-fox-sparrow-larkFree Image from public domain licenseCollaed Sparrow Hawk (Accipter torquatus) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804… https://www.rawpixel.com/image/321082/free-illustration-image-elizabeth-gould-illustrationsFree Image from public domain licenseLark Finch, Prairie Finch and Brown Song Sparrow from Birds of America (1827) by John James Audubon, etched by William Home… https://www.rawpixel.com/image/277245/free-illustration-image-audubon-birds-america-public-domain-sparrowFree Image from public domain license15. The Swallow-tailed Hawk (Nauclerus furcatus) 16. The American Sparrow Hawk (Falco Sparverius) illustration from Zoology… https://www.rawpixel.com/image/329362/free-illustration-image-hawk-bird-birds-new-yorkFree Image from public domain license137. The White-crowned Sparrow (Fringilla graminea) 138. The Snowbird (Struthus hyemalis) 139. The White-crowned Sparrow… https://www.rawpixel.com/image/329306/free-illustration-image-sparrow-birds-new-york-white-public-domainFree Image from public domain licenseSparrow on a Branch (1688-1698) by Johan Teyler (1648-1709). Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/514966/free-illustration-image-sparrow-white-public-domain-1600sFree Image from public domain licenseSparrow an a bird with serrated beak by Johan Teyler. (1648-1709) Original from The Rijksmuseum. Digitally enhanced by… https://www.rawpixel.com/image/514940/free-illustration-image-sparrow-animals-centuryFree Image from public domain license1. Sea-Lizard (Salmo Saurus) 2. Sea-Sparrow-Hawk (Salmo foetens) from Ichtylogie, ou Histoire naturelle: génerale et… https://www.rawpixel.com/image/938768/fish-illustrationsFree Image from public domain license156. Song Sparrow (Fringilla melodia) 157. Indigo-bird (Spiza cyanea) illustration from Zoology of New York… https://www.rawpixel.com/image/329312/free-illustration-image-bird-james-ellsworth-zoology-new-yorkFree Image from public domain licenseOrange-billed sparrow from Histoire Naturelle des Oiseaux de Paradis et Des Rolliers (1806) by Jacques Barraband (1767-1809). https://www.rawpixel.com/image/328408/free-illustration-image-sparrow-orange-jacques-barrabandFree Image from public domain license140. The Bay-winged Sparrow (Fringilla graminea) 141. The White-throated Sparrow (Fringilla pensylvanica) illustration from… https://www.rawpixel.com/image/329280/free-illustration-image-sparrow-white-public-domain-centuryFree Image from public domain license“‘Little Purple Gromwell’ (Wakamurasaki): Shōshō,” from the series Scenes amid Genji Clouds Matched… https://www.rawpixel.com/image/9241470/image-clouds-papers-vintageFree Image from public domain licenseShipyards at Bethlehem steel mill. Sparrows Point, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12284216/photo-image-person-public-domain-architectureFree Image from public domain license[Untitled photo, possibly related to: Shipyards at Bethlehem steel mill. Sparrows Point, Maryland]. Sourced from the Library… https://www.rawpixel.com/image/12284206/photo-image-person-sky-technologyFree Image from public domain licenseBethlehem steel mill. Sparrows Point, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12282964/photo-image-cloud-person-skyFree Image from public domain licenseShipyards at Bethlehem steel mill. Sparrows Point, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12284076/photo-image-person-public-domain-architectureFree Image from public domain licensePouring water on hot ashes from the blast furnace. Bethlehem steel mill, Sparrows Point, Maryland. Sourced from the Library… https://www.rawpixel.com/image/12283915/photo-image-public-domain-water-architectureFree Image from public domain licenseUnloading iron ore at Bethlehem steel mill. Sparrows Point, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12283039/photo-image-person-sky-public-domainFree Image from public domain licenseShipyards at Bethlehem steel mill. Sparrows Point, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12283991/photo-image-person-public-domain-architectureFree Image from public domain licenseBethlehem steel mill. Sparrows Point, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12283037/photo-image-person-smoke-public-domainFree Image from public domain license[Untitled photo, possibly related to: Shipyards at Bethlehem steel mill. Sparrows Point, Maryland]. Sourced from the Library… https://www.rawpixel.com/image/12284241/photo-image-person-sky-public-domainFree Image from public domain licenseForeign ship unloading iron ore at Bethlehem steel mill. Sparrows Point, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12282709/photo-image-person-animal-public-domainFree Image from public domain license