An introduction to land valuation. Chapter vi, on urban land utilization. (VII, 1, 2; X, 2.)

McMichael, Stanley L., and Bingham, Robert F. City Growth and Values (Cleveland, 1923).

An authoritative statement. (VII, 1.)

Olcott, George C. Olcott’s Land Value Maps (annually, Chicago, 1909–25).

Valuations of Chicago real estate.

Pratt, Edward Ewing. Industrial Causes of Congestion of Population in New York City (New York, 1911).

Contains an excellent bibliography. (III, 4; V, 1, 2, 4, 5; VI, 2, 3; VII, 1, 2, 3, 4, 5.)

Reeve, Sidney A. “Congestion in Cities,” Geog. Rev., III (1917), 278–93.

Regards congestion as a growing menace to public health and social stability, and analyzes the causes and suggests remedies. (V, 4, 5; VI; VII, 1, 2, 5; VIII 1.)

Riis, Jacob A. How the Other Half Lives: Studies among the Tenements of New York (New York, 1890 and 1914).