1.Baumol, William J., Panzar, John C., and Willig, Robert D. Contestable Markets and the Theory of Industry Structure, Revised Edition, San Diego: Harcourt Brace Jovanovich, 1988.
5.By this time he had walked the length of fashionable Harcourt Avenue; he had reached the corner house, their house. The carriage gates were pushed back; there were fresh marks of wheels on the drive.
6.Well, well! He couldn't help a grim smile as painfully he began to climb the hill that led into Harcourt Avenue. Where would Lola and her sisters and Charlotte be if he'd gone in for hobbies, he'd like to know?
9." It's plus or minus a few thousand years, " said paleontologist William Harcourt-Smith of Lehman College and the American Museum of Natural History in New York.