Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Number of Units, Not Seasonally Adjusted

Frequency:  Annual

Notes:

For Futher Information See The Source Work Cited Above And Lipsey & Preston, Pp. 270-271. Source: Manuel Gottlieb, "Long Swings In Urban Development, " Table E-3

This NBER data series a02283 appears on the NBER website in Chapter 2 at http://www.nber.org/databases/macrohistory/contents/chapter02.html.

NBER Indicator: a02283