Black-throated Grabe (Podiceps gularis) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/321542/free-illustration-image-vintage-gould-century Free Image from public domain license
Yellow-throated Sericornis (Sericornis citreogularis) illustrated by Elizabeth Gould (1804–1841) for John… https://www.rawpixel.com/image/321466/free-illustration-image-gould-vintage-bird Free Image from public domain license
Yellow-throated Honey-eater (Ptilotis flavigula) illustrated by Elizabeth Gould (1804–1841) for John Gould’s… https://www.rawpixel.com/image/321398/free-illustration-image-gould-bird-1800s Free Image from public domain license
Black-throated Honey-eater (Melithreptus gularis) illustrated by Elizabeth Gould (1804–1841) for John Gould’s… https://www.rawpixel.com/image/321182/free-illustration-image-elizabeth-gould-bird-honeyeater Free Image from public domain license
Black-throated Psophodes (Psophodes nigrogularis) illustrated by Elizabeth Gould (1804–1841) for John Gould’s… https://www.rawpixel.com/image/321162/free-illustration-image-australia-elizabeth-gould Free Image from public domain license
Brown Red-throat (Pyrrholaemus brunneus) illustrated by Elizabeth Gould (1804–1841) for John Gould’s (1804-1881)… https://www.rawpixel.com/image/321134/free-illustration-image-australia-bird-images Free Image from public domain license
White-throated Honey-eater (Melithreptus albogularis) illustrated by Elizabeth Gould (1804–1841) for John… https://www.rawpixel.com/image/321229/free-illustration-image-bird-elizabeth-gould-honeyeater Free Image from public domain license
76. The Solitary Greenlet (Vireo solitarius) 77. The Yellow-throated Greenlet (Vireo flavifrons) illustration from Zoology… https://www.rawpixel.com/image/329335/free-illustration-image-birds-new-york-vireo-vintage-animals Free Image from public domain license
110. The Prairie Warbler (Sylvicola discolor) 111. The Black-throated Bunting (Emberiza americana) illustration from Zoology… https://www.rawpixel.com/image/329319/free-illustration-image-birds-warbler-1800s-public-domain Free Image from public domain license
White-throated Goat-sucker (Eurostopodus albogularis) illustrated by Elizabeth Gould (1804–1841) for John… https://www.rawpixel.com/image/321117/free-illustration-image-birds-gould-illustrations Free Image from public domain license
140. 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-century 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
[Untitled photo, possibly related to: Doctor examining boy's throat. Greendale, Wisconsin. This is the Greendale branch of… https://www.rawpixel.com/image/12282977/photo-image-face-person-shirt Free Image from public domain license
Doctor examining boy's throat. Greendale, Wisconsin. This is the Greendale branch of the Milwaukee Group Health Association.… https://www.rawpixel.com/image/12282657/photo-image-face-person-public-domain Free Image from public domain license
Slitting throats of cattle. Packing plant, Austin, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285633/photo-image-cow-plant-person Free Image from public domain license
The beef kill. Cattle are brought into this narrow alley by means of an electric prodder; they are then knocked out by a… https://www.rawpixel.com/image/12285684/photo-image-dog-cows-plant Free Image from public domain license