Batty, M. and Longley, P. (1994). Fractal Cities. Academic Press, San Diego, CA.
 Polya, G. (1954). Mathematics and Plausible Reasoning. I. Induction and Analogy in Mathematics. Princeton University Press, Princeton, NJ.
 Hern, W.M. (2008). “Urban malignancy: similarity in the fractal dimensions of urban morphology and malignant neoplasms.” International Journal of Anthropology 23, 1–19.
 See Adam (2006) for a slightly different version of the Princess Dido story.
 Barshinger, R. (1992). “How not to land at Lake Tahoe!” American Mathematical Monthly 99, 453–455.
 Taxi rides, squirrels, and light bulbs: I am grateful to my friend, colleague, and co-author Larry Weinstein, an NYC boy, for ...