Harvard's Schlesinger Library is home to one of the finest collection of resources for research on the history of women in America, the library's holdings are strong in:
The posters you are working with come from within the many digital image collections held by the Schlesinger Library. Because they exist within a library's catalog, gleaning any known details about these posters, the image's metadata* can give you valuable information. Use this metadata to launch your further research.
When accessing the Schlesinger Suffrage Posters from within this library (Harvard calls their catalog "Hollis"), ask yourself questions such as:
*Metadata is data about data. It is descriptive information about a particular data set, object, or resource, including how it is formatted, and when and by whom it was collected, created, authored. Although metadata most commonly refers to web resources, it can be about either physical or electronic resources.
~See below for helpful research resources~
Library of Congress Digital Collections: Women’s History
Women and Social Movements in the United States, 1600-2000
Vanguard: how black women broke barriers, won the vote, and insisted on equality for all by 
The woman suffrage movement in America : a reassessment by 
Picturing political power : images in the women's suffrage movement by 
Women will vote: winning suffrage in New York: State / by 
Suffrage in America Timeline by The Library of Congress: Chronicling America
The Smithsonian Institute's Suffrage Collection
A small but curated collection of images and suggested websites speaking to suffrage.
The Library’s search tool: “Summon”
From the homepage, https://library.rit.edu/, you’ll see this search bar:
Use of RIT resources is reserved for current RIT students, faculty
and staff for academic and teaching purposes only.
Please contact your librarian with any questions.
