Source for yearly total number of titles of fiction: John Tebbel, A History of Book Publishing in the United States, vol. 2 of A History of Book Publishing in the United States (New York: R. R. Bowker, 1975), 675-708. Source for yearly total number of titles of fiction by German women: Library of Congress, The National Union Catalog Pre-1956 Imprints (London: Mansell, 1968-1981), OCLC's Worldcat (www.worldcat.org, Summer 2010), and AbeBooks (www.abebooks.com, Summer 2010); collected by Erika Deal, Corey Twitchell, Anna Leeper, and Courtney Lecompte. Graph created by Perry Trolard and Catherine Coquillette.