MACKAY, CHARLES. Memoirs of Extraordinary Popular Delusions. 3 volumes. Each volume lacking half-titles and publisher's adverts. Illustrated with engraved portrait frontispiece in each volume, and two engraved portrait plates in third volume (Paracelsus and Dr. Dee). 8vo, bound in 1/2 green morocco, top edges gilt, spines tooled and lettered in gilt in compartments (uniformly browned). First edition of this classic work on crowd psychology by the Scottish journalist, still in print under the title Extraordinary Popular Delusions and the Madness of Crowds. London: Richard Bentley, 1841