Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Average Number per Week, Not Seasonally Adjusted

Frequency:  Monthly

Series Is Presented Here As Two Variables--(1)--Original Data, 1913-1928 (2)--Original Data, 1924-1944. Figures Cover Editions Of American Authors And American Manufacture Of Foreign Authors, Including Pamphlets Of Special Value For That Period. Only Quarterly Data Were Available For January-March 1913, Weekly Averages Were Based On 13 Weeks Per Qurter Used. Source: Publishers

This NBER data series m01106a appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.

NBER Indicator: m01106a