The British Library:
British Library digitised image from page 88 of "Songs for Little People [With illustrations by H. Stratton.]"
Internet Archive Book Images:
Image from page 839 of "The Wheel and cycling trade review" (1888)
Internet Archive Book Images:
Image from page 146 of "Sunset" (1898)
Internet Archive Book Images:
Image from page 368 of "St. Nicholas [serial]" (1873)
Internet Archive Book Images:
Image from page 192 of "Astronomy for the use of schools and academies" (1882)
Free Public Domain Illustrations by rawpixel:
Aurora Borealis in High Latitudes from the book William MacKenzie’s National Encyclopedia (1891), a colored illustration of the beautiful polar lights in the night sky. Digitally enhanced from our own original plate.
Internet Archive Book Images:
Image from page 181 of "Biological effects of radiation; mechanism and measurement of radiation, applications in biology, photochemical reactions, effects of radiant energy on organisms and organic products" (1936)
The Public Domain Review:
phenomenaofmater00schr_0246-600px
BioDivLibrary:
n147_w1150
BioDivLibrary:
n288_w1150
BioDivLibrary:
n308_w1150
Internet Archive Book Images:
Image from page 20 of "1972 Cooley's Gardens" (1972)
Internet Archive Book Images:
Image from page 497 of "Die Gartenwelt" (1897)
Internet Archive Book Images:
Image from page 498 of "Die Gartenwelt" (1897)
Internet Archive Book Images:
Image from page 334 of "Die Gartenwelt" (1897)
Internet Archive Book Images:
Image from page 88 of "Songs of the Rockies" (1914)
The Library of Congress:
Animal Locomotion. Plate 762 (LOC)
Internet Archive Book Images:
Image from page 320 of "Building with assurance" (1921)
Internet Archive Book Images:
Image from page 263 of "St. Nicholas [serial]" (1873)
Internet Archive Book Images:
Image from page 93 of "Seat work and industrial occupations; a practical course for primary grades" (1905)
Archives of Medicine - NLM - NIH:
Woman committing suicide by jumping off of a bridge
State Library of NSW:
Parisian Moon Dancers in gold paint at the Palladium Theatre, Sydney, 28 September 1955 / Ern McQuillan