229. Anodon subcylindracea. 230. Anodon ferussaciana. 231. Anodon edentula. illustration from Zoology of New York… https://www.rawpixel.com/image/329415/free-illustration-image-shell-sea-shells-new-york Free Image from public domain license
Different types of seashells illustration from Zoology of New York (1842–1844) by James Ellsworth De Kay. Original… https://www.rawpixel.com/image/329407/free-illustration-image-shell-sea-shells-new-york Free Image from public domain license
Different types of sea shells illustration from Zoology of New York (1842–1844) by James Ellsworth De Kay. Original… https://www.rawpixel.com/image/329391/free-illustration-image-sea-shells-new-york-shell Free Image from public domain license
Different types of seashells illustration from Zoology of New York (1842–1844) by James Ellsworth De Kay. Original… https://www.rawpixel.com/image/329379/free-illustration-image-sea-shells-shell-new-york Free Image from public domain license
191. Schnitz's Sandpiper (Tringa schinzi). 192. Black-breasted Sandpiper (Tringa cinclus) illustration from Zoology of New… https://www.rawpixel.com/image/329327/free-illustration-image-sandpiper-cinclus-cinclus-birds-new-york Free Image from public domain license
201, 202. Wilson's Holopode (Holopodius wilsoni) illustration from Zoology of New York (1842–1844) by James Ellsworth… https://www.rawpixel.com/image/329311/free-illustration-image-century-zoology-new-york-birds Free Image from public domain license
107. The Blue-grey Warbler (Sylvicola cærulea) 108. https://www.rawpixel.com/image/329299/free-illustration-image-yellow-warbler-vintage-bird-public-domain-zoology-new-york Free Image from public domain license
211. Varied Tatler (Titatus malenoleucus) 212. Yellowlegs (Totanus flavipes) illustration from Zoology of New York… https://www.rawpixel.com/image/329291/free-illustration-image-birds-vintage-century-zoology-new-york Free Image from public domain license
179. American Ring Plover (Charadrius semipalmatus) 180. Black-breasted Snipe (Charadrius helveticus) 181. Kildeer… https://www.rawpixel.com/image/329287/free-illustration-image-plover-century-birds-new-york Free Image from public domain license
119. The Ruby-crowned Kinglet (Regulus calendula) 120. The Pine Warbler (Sylvicola pinus) illustration from Zoology of New… https://www.rawpixel.com/image/329283/free-illustration-image-pinus-kinglet-calendula Free Image from public domain license
Head of a cow, lying in a stable (1826) by Jean Bernard (1775-1883). Original from The Rijksmuseum. Digitally enhanced by… https://www.rawpixel.com/image/481297/free-illustration-image-vintage-cow-1800s Free Image from public domain license
Lying cow by Jean Bernard (1775-1883). Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/481509/free-illustration-image-vintage-1800s-public-domain Free Image from public domain license
291. Arctic Hawk Gull (Lestris buffoni) 292. Pomarine Hawk Gull (Lestris pomarinus) illustration from Zoology of New York… https://www.rawpixel.com/image/329462/free-illustration-image-zoology-new-york-century-arctic-gull Free Image from public domain license
209. Grey Plover (Totanus bartrami) 210. Solitary Tatler (Totanus chloropygius) illustration from Zoology of New York… https://www.rawpixel.com/image/329290/free-illustration-image-zoology-new-york-birds-1800s Free Image from public domain license
297. Large Shearwater, young (Puffinus obscurus) 298. Ditto, adult illustration from Zoology of New York (1842–1844)… https://www.rawpixel.com/image/329440/free-illustration-image-birds-new-york-shearwater-zoology Free Image from public domain license
203, 204. Hyperborean Lobefoot (Lobipes hyperboreus) illustration from Zoology of New York (1842–1844) by James… https://www.rawpixel.com/image/329328/free-illustration-image-bird-zoology-new-york-birds Free Image from public domain license
Washington, D.C. A sign at the National Zoological Park. Sourced from the Library of Congress. https://www.rawpixel.com/image/12293149/photo-image-plant-person-sky Free Image from public domain license
Detroit, Michigan. Spectators at zoological park. Sourced from the Library of Congress. https://www.rawpixel.com/image/12289292/photo-image-people-tree-public-domain Free Image from public domain license
Washington, D.C. Children watching the animals at the National Zoological Park. Sourced from the Library of Congress. https://www.rawpixel.com/image/12293147/photo-image-face-person-animals Free Image from public domain license
[Untitled photo, possibly related to: Detroit, Michigan. Little girls at a drinking fountain in the zoological park].… https://www.rawpixel.com/image/12289291/photo-image-face-plant-people Free Image from public domain license
Detroit, Michigan. Sign outside of refreshment stand in the zoological park. Sourced from the Library of Congress. https://www.rawpixel.com/image/12289318/photo-image-face-people-public-domain Free Image from public domain license
Detroit, Michigan. High school students strolling through the zoological park. Sourced from the Library of Congress. https://www.rawpixel.com/image/12289295/photo-image-face-shadow-plant Free Image from public domain license
Washington, D.C. Children watching the animals at the National Zoological Park. Sourced from the Library of Congress. https://www.rawpixel.com/image/12292867/photo-image-face-people-animals Free Image from public domain license
[Untitled photo, possibly related to: Detroit, Michigan. Spectators at zoological park]. Sourced from the Library of… https://www.rawpixel.com/image/12289237/photo-image-plant-people-tree Free Image from public domain license
Detroit, Michigan. Little girl with ice cream cone in the zoological park. Sourced from the Library of Congress. https://www.rawpixel.com/image/12289560/photo-image-face-plant-person Free Image from public domain license
Detroit, Michigan. Worker at the zoological park. Sourced from the Library of Congress. https://www.rawpixel.com/image/12289319/photo-image-shadow-plant-person Free Image from public domain license
Detroit, Michigan. Woman adjusting a harness strap to prevent child from getting lost in zoological park. Sourced from the… https://www.rawpixel.com/image/12289293/photo-image-face-plant-people Free Image from public domain license
Detroit, Michigan. Spectators at zoological park. Sourced from the Library of Congress. https://www.rawpixel.com/image/12289253/photo-image-plant-people-grass Free Image from public domain license
[Untitled photo, possibly related to: Detroit, Michigan. Little girl with ice cream cone in the zoological park]. Sourced… https://www.rawpixel.com/image/12289316/photo-image-face-plant-person Free Image from public domain license
Washington, D.C. A girl watching the animals at the National Zoological Park. Sourced from the Library of Congress. https://www.rawpixel.com/image/12292856/photo-image-face-people-music Free Image from public domain license
Detroit, Michigan. Pony amusing the crowd in the zoological park by rolling over. Sourced from the Library of Congress. https://www.rawpixel.com/image/12289247/photo-image-plant-horse-tree Free Image from public domain license
[Untitled photo, possibly related to: Detroit, Michigan. Woman adjusting a harness strap to prevent child from getting lost… https://www.rawpixel.com/image/12289324/photo-image-face-plant-person Free Image from public domain license