Absinthe The Aesthetic Movement Agnosticism The Alamo Sir Rutherford Alcock The Analytical Engine Anomalcaris Apatosaurus Apophenia Axminster carpet
	Charles Babbage Baize Ballester-Mollina Alphonse Bertillon Jacques Bertillon Louis Adolphe Bertillon Sir Henry Bessemer William Blake Bone Wars Brontosaurus The Brotherhood of the New Life Isambard Kingdom Brunel William Buckland Burgess Shale Sir Richard Francis Burton George Gordon, Lord Byron Lady Noel Byron
	Carbonari Cart Catastrophism Celluloid Chartist movement Chautauqua Movement Choshu The U.S. Civil War Class war Coal-tar dyes Samuel Taylor Coleridge Wilkie Collins William Collins Samuel Colt The Confederate Signal and Secret Service Bureau Continental drift The Corn Laws Cremorne Gardens Crimean War Criminal Anthropometry Criminal Identification Crinoline Crockford's John Wilson Croker Leopold Cuvier
	Isaac D'Israeli Charles Darwin Difference Engine Dinosaur awareness Benjamin Disraeli The Doctor-Bronner Effect Dolly Dollymop Draft riots
	William Etty Eugenics
	Feedback Fenian Society Firestorm George Fitzclarence George Washington Lafayette Fox French letter William Frith Fukuzawa Yukichi
	Sir Francis Galton Garrick Theater Theophile Gautier Goliad Grimaldi Sir Goldsworthy Gurney Gutta-percha
	Hallucigenia Thomas Lake Harris Hartshorn Hetairia History Sam Houston Henrietta Howard Hucklebutt Arthur Hughes Aldous Huxley Noel Huxley Thomas H. Huxley
	Irish famine Iterative process
	Jacobins Jacobites Joseph Marie Jacquard The Jacquerie Jalap Japan Japanese names Japan
	Kagoshima bombardment Karakuri ningyo John Keats The Knights of the Golden Circle
	Laissez faire economics Alphonse de Lamartine Laudanum Ada Lovelace
	E.A. Mallory Matrix The Meiji restoration Meirokusha The Mikado Mori Arinori Museum of Practical Geology, Jermyn Street Music-making machines
	The Difference Dictionary was first published in slightly different form in Science Fiction Eye, Issue #8. Text © 1990, 1996, 2000, 2003 by Eileen K. Gunn.