The First Book of Urizen, Plate 15, "8. The globe of life blood trembled . . . ." (Bentley 18) https://www.rawpixel.com/image/9202733/image-vintage-book-fireFree Image from public domain license I tremble for my country when I remember that God is just and that his justice cannot sleep forever : Revolution… https://www.rawpixel.com/image/8907136/image-paper-vintage-booksFree Image from public domain licensePando in the Fall, Fishlake National Forest. Original public domain image from Flickr https://www.rawpixel.com/image/4035113/photo-image-tree-plant-woodsFree Image from public domain licenseYoung's Night Thoughts, Page 57, "Trembling Each Gulp, Lest Death Should Snatch the Bowl" https://www.rawpixel.com/image/9204121/image-vintage-women-public-domainFree Image from public domain licenseYoung's Night Thoughts, Page 93, "If angels tremble, 'tis at such a sight" by William Blake. https://www.rawpixel.com/image/9198642/image-william-blake-angels-1797Free Image from public domain licenseYoung's Night Thoughts, Page 57, "Trembling each gulp, lest death should snatch the bowl" by William Blake. https://www.rawpixel.com/image/9198623/image-death-bowl-1797Free Image from public domain licenseShahnama (Book of Kings) of Firdausi, painting by Mu'in Musavvir, author Abu'l Qasim Firdausi https://www.rawpixel.com/image/9240801/shahnama-book-kings-firdausiFree Image from public domain licenseMON-KA-USH-KA. A SIOUX CHIEF., from History of the Indian Tribes of North America https://www.rawpixel.com/image/9066989/image-vintage-public-domain-swordFree Image from public domain licenseOedipe. “- When my sword cut into his bleeding heart - You are trembling Madame - It was then that the world was falling… https://www.rawpixel.com/image/8992412/image-heart-paper-cartoonFree Image from public domain license“- Inspite of all their assertions that their guns are only loaded with small shots, it is nonetheless annoying to be aimed… https://www.rawpixel.com/image/8983607/image-paper-cartoon-personFree Image from public domain licenseHannibal's Crossing. These lofty mountains where the crested snow resembles the white forehead of a giant trembles to forge… https://www.rawpixel.com/image/8986666/image-paper-cartoon-personFree Image from public domain licenseVintage aspen tree branch illustration https://www.rawpixel.com/image/568159/aspen-ree-branchView licenseThe elderly female writer reading light adult. https://www.rawpixel.com/image/14036428/the-elderly-female-writer-reading-light-adultView licenseThe elderly female writer lamp reading light. https://www.rawpixel.com/image/14036439/the-elderly-female-writer-lamp-reading-lightView licenseAspen (populus tremuloides) from Traité des Arbres et Arbustes que l’on cultive en France en pleine terre… https://www.rawpixel.com/image/568160/aspen-ree-branchFree Image from public domain licenseVintage aspen tree branch vector https://www.rawpixel.com/image/568148/aspen-ree-branchView licenseAspen tree branch transparent png https://www.rawpixel.com/image/568149/aspen-ree-branchView licenseMadero Folk Songs: Even the Ground Trembled by José Guadalupe Posada https://www.rawpixel.com/image/9053290/madero-folk-songs-even-the-ground-trembled-jose-guadalupe-posadaFree Image from public domain licenseCup and Saucer (Trembleuse) by Du Paquier Porcelain Manufactory https://www.rawpixel.com/image/14264555/cup-and-saucer-trembleuse-paquier-porcelain-manufactoryFree Image from public domain license