Soil and valley. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3305763/free-photo-image-agriculture-field-forest-treesFree Image from public domain license
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Album with Twelve Engravings of The Passion, a Woodcut of Christ as the Man of Sorrows, and a Metalcut of St. Jerome in… https://www.rawpixel.com/image/9085866/photo-image-art-vintage-booksFree Image from public domain license
Syzygy or the Conjunction of the Macrocosmic Unity with the Microcosmic Triunity from Heinrich Khunrath, Amphiteatrum… https://www.rawpixel.com/image/9086047/image-art-vintage-public-domainFree Image from public domain license
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Eau de Cologne, celebrated for many years for its delightful fragrance. Superior to that made in Germany. … https://www.rawpixel.com/image/8907691/image-arts-vintage-public-domainFree Image from public domain license
Saint Anthony Abbot Blessing the Animals, the Poor, and the Sick by Master of St Veronica https://www.rawpixel.com/image/14266280/image-horse-face-personFree Image from public domain license
Homage from Bavarian artists to King Ludwig I by Peter Herwegen https://www.rawpixel.com/image/9183633/image-bavarian-vintage-illustration-public-domainFree Image from public domain license
Transportation neighborhood architecture metropolis. https://www.rawpixel.com/image/14747588/transportation-neighborhood-architecture-metropolisView license
Palazzo Farnese at Caprarola from Braun and Hogenberg's Civitates Orbis Terrarum, various artists/makers (1572–94) https://www.rawpixel.com/image/9186018/image-joris-hoefnagel-leipzig-civitates-orbis-terrarumFree Image from public domain license
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Cologne Cathedral and Hohenzollern Bridge bridge transportation architecture. https://www.rawpixel.com/image/14747612/cologne-cathedral-and-hohenzollern-bridge-bridge-transportation-architectureView license
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The Crucifixion with a Kneeling Woman by Gerard Horenbout https://www.rawpixel.com/image/14265535/the-crucifixion-with-kneeling-woman-gerard-horenboutFree Image from public domain license
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Scheme of Christian Kabbalism from Heinrich Khunrath, Amphiteatrum sapientiae aeternae https://www.rawpixel.com/image/9329118/image-art-vintage-public-domainFree Image from public domain license
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Cologne Cathedral and Hohenzollern Bridge cathedral bridge architecture. https://www.rawpixel.com/image/14747621/cologne-cathedral-and-hohenzollern-bridge-cathedral-bridge-architectureView license
Pan 3, no. 1-2 (1897) by Wilhelm Leibl, Ludwig von Hofmann, Max Liebermann, Jan Veth, Felix Hollenberg and Walter Leistikow https://www.rawpixel.com/image/12038151/image-plant-art-cartoonFree Image from public domain license
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Schwanthaler and Mohr Relief at the Southern Entrance to the Cologne Cathedral by Joh Franz Michiels https://www.rawpixel.com/image/14247234/photo-image-church-art-skyFree Image from public domain license
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Initial O: A Woman on her Deathbed with the Virgin and Child and Devils by Gerard Horenbout https://www.rawpixel.com/image/14250782/image-paper-face-personFree Image from public domain license
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