Primary Source
Bertha Damaris Knobe in Collier’s: The Co-Citizens of California
The Spectacular Campaign by Which Four Hundred Thousand Women Won the Vote
Era: Suffrage Era | Media: Magazines
Bertha Damaris Knobe reports on the suffrage victory in California of 1911. The promotional campaign, she reports, included 8 x 10 foot posters on billboard, merchant displays of suffrage show windows and slides for nickelodeons.
Google Books has digitized the volume that includes this article: Colliers, October 28, 1911, Volume 48, pp. 20, 31, 32
For more on Bertha Damaris Knobe’s journalism on the suffrage movement, see this account of suffragist activism for The Independent magazine, and her article on a New York City parade for suffrage in Harper’s Weekly.