William H. Herndon, Jesse William Weik, Herndon's Lincoln: The True Story of a Great Life, Etiam in minimis major, The History and Personal Recollections of Abraham Lincoln by William H. Herndon, for twenty years his friend and Jesse William Weik

Mr. Lincoln's head was long, and tall from the base of the brain and from the eyebrows. His head ran backwards, his forehead rising as it ran back at a low angle, like Clay's, and unlike Webster's, which was almost perpendicular. The size of his hat measured at the hatter's block was seven and one-eighth, his head being, from ear to ear, six and one-half inches, and from the front to the back of the brain eight inches. Thus measured it was not below the medium size. His forehead was narrow but high; his hair was dark, almost black, and lay floating where his fingers or the winds left it, piled up at random. His cheek-bones were high, sharp, and prominent; his jaws were long and upcurved; his nose was large, long, blunt, and a little awry towards the right eye; his chin was sharp and upcurved; his eyebrows cropped out like a huge rock on the brow of a hill; his long, sallow face was wrinkled and dry, with a hair here and there on the surface; his cheeks were leathery; his ears were large, and ran out almost at right angles from his head, caused partly by heavy hats and partly by nature; his lower lip was thick, hanging, and undercurved, while his chin reached for the lip upcurved; his neck was neat and trim, his head being well balanced on it; there was the lone mole on the right cheek, and Adam's apple on his throat.

Thus stood, walked, acted, and looked Abraham